USS Flat Washers , Zinc/Yellow (ASME B18. 22.1)
USS Flat Washers were among the first known commercial flat washers in the U.S.A. They are characterized as having a loose fit, and have a larger outside diameter than SAE Flat washers. The USS designation was derived from the name “Unified Standard Series.” At the time, coarse threaded bolts were called USS bolts.
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Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
BHAM | AL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/8 x 8 | 1-1/8 uss flat washer gr 8 yel zn b18.22.1 | 368 |
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Alma Bolt | MI | USS Flat Washer | Grade 9 | Zinc/Yellow | 7/16 | 7/16 uss yellow zinc flat washer grade 9 b18.22.1 | 300 |
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BHAM | AL | USS Flat Washer | Steel | Zinc/Yellow | 7/16 | 7/16 uss flat washer yel zn b18.22.1 | 1197 |
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BHAM | AL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 x 8 | 1 uss flat washer gr 8 yel zn b18.22.1 | 14 |
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BHAM | AL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/4 | 1-1/4 uss flat dom. gr 8 yel zn b18.22.1 | 45 |
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BHAM | AL | USS Flat Washer | Grade 8 | Zinc/Yellow | 7/8 | 7/8 uss flat washer gr 8 yel zn b18.22.1 | 500 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 3/4 | 3/4 uss flat washer thru-hardened steel rc 38-45 .0002 zinc yellow b18.22.1 | 99000 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss flat washer thru-hardened steel rc 38-45 .0002 zinc yellow b18.22.1 | 322000 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1 | 1 uss f/w hrd stl yel znc (2-1/2 od) b18.22.1 | 163 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1 | 1 uss f/w extra thick hrd stl yellow zinc (2-1/2 od) b18.22.1 | 91 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1 1/4 | 1 1/4 uss f/w hrd stl yel znc (3 od) b18.22.1 | 3 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1 1/8 | 1 1/8 uss f/w hrd stl yel znc (2-3/4 od) b18.22.1 | 130 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1 1/2 uss f/w hrd stl yel znc (3-1/2 od) b18.22.1 | 4 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4 uss f/w hrd stl yel znc (3/4 od) b18.22.1 | 5920 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/4 x 25 | 1/4 uss f/w 25/pkg hrd stl yel znc (3/4 od) b18.22.1 | 9 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4 uss f/w extra thick hrd stl yel znc (3/4 od) b18.22.1 | 4250 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 uss f/w hrd stl yel znc (7/8 od) b18.22.1 | 1000 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 uss f/w hrd stl yel znc (7/8 od) b18.22.1 | 2 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 uss f/w extra thick hrd stl yel znc (7/8 od) b18.22.1 | 2875 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss f/w hrd stl yel znc (1 od) b18.22.1 | 2060 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 3/8 x 25 | 3/8 uss f/w 25/pkg hrd stl yel znc (1 od) b18.22.1 | 8 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss f/w trivalent hrd stl yel znc (1 od) b18.22.1 | 6807 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss f/w extra thick hrd stl yel znc (1 od) b18.22.1 | 4562 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 7/16 | 7/16 uss f/w hrd stl yel znc (1-1/4 od) b18.22.1 | 1050 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 7/16 x 10 | 7/16 uss f/w 10/pkg hrd stl yel znc (1-1/4 od) b18.22.1 | 11 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 7/16 | 7/16 uss f/w extra thick hrd stl yel znc (1-1/4 od) b18.22.1 | 171 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss f/w hrd stl yel znc (1-3/8 od) b18.22.1 | 633 |
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Ababa | CA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 x 10 | 1/2 uss f/w 10/pkg hrd stl yel znc (1-3/8 od) b18.22.1 | 7 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 284710 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 1 1/8 | 1-1/8 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 5885 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 9/16 | 9/16 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 74600 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 1 | 1 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 5980 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 224000 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 7/16 | 7/16 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 107540 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 5/8 | 5/8 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 97500 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 1 1/4 | 1-1/4 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 2475 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 7/8 | 7/8 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 33375 |
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3Q, Inc. | IL | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 uss flat washer thru-hardened 1050 steel .0002 zinc yellow b18.22.1 | 310000 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4 uss flat zinc yellow b18.22.1 | 111680 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4 uss flat zinc yellow b18.22.1 | 40098 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 uss flat yellow zinc b18.22.1 | 18893 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss flat zinc yellow b18.22.1 | 1241 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss flat zinc yellow b18.22.1 | 1662 |
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QFC | TX | USS Flat Washer | Grade 5 | Zinc/Yellow | 1/2 | 1/2 uss flat thru-hardened for grade 5 & grade 8 applications yellow zinc b18.22.1 | 17200 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 3/4 | 3/4 uss flat zinc/yellow b18.22.1 | 646 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4 uss hard yellow zinc b18.22.1 | 523 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 yzp uss hard 372 b18.22.1 | 7189 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 yzp uss hard 372 b18.22.1 | 200 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss hard y/zinc b18.22.1 | 400 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss hard y/zinc b18.22.1 | 200 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 7/16 | 7/16 yzp uss hard 372 b18.22.1 | 1107 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 7/16 | 7/16 yzp uss hard 372 b18.22.1 | 100 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss flat hardened y/zinc b18.22.1 | 140 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 9/16 | 9/16 yzp uss hard b18.22.1 | 130 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 5/8 | 5/8 yzp uss hard 372 b18.22.1 | 298 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 5/8 | 5/8 yzp uss hard 372 b18.22.1 | 50 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 3/4 | 3/4 yzp uss hard b18.22.1 | 256 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 3/4 | 3/4 yzp uss hard b18.22.1 | 250 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/4 | 1/4 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 184.4208591 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 5/16 | 5/16 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 153.939 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/8 | 3/8 uss thru-hard flat washers gr.8 zy b18.22.1 | 76.8 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 7/16 | 7/16 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 14.83 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | 1/2 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 45.4 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 9/16 | 9/16 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 246.39 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 5/8 | 5/8 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 91.15 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/4 | 3/4 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 76.76 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/4 | 3/4 uss flat washer gr 8 z yellow domestic b18.22.1 | 976 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 7/8 | 7/8 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 3316.34 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 | 1 uss thru-hard flat washers gr 8 zinc/yellow b18.22.1 | 68.47 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/8 | 1 1/8 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 1083.97 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/4 | 1 1/4 uss thru-hard flat washers gr 8 zy b18.22.1 | 578 |
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B & K FAST | PA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1 1/2 uss thru-hard flat washers gr 8 z yellow b18.22.1 | 74.66 |
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B & K FAST | PA | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 uss flat washers zinc yellow b18.22.1 | 5003.1953848 |
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General F | MI | USS Flat Washer | Steel | Zinc/Yellow | 2 1/2 | 2-1/2 uss hrdnd fw zinc yellow b18.22.1 | 74 |
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General F | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 7/8 | 1-7/8 uss hrdnd fw zinc yellow b18.22.1 | 172 |
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QFC | TX | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 x 8 | 1 uss flat washer gr 8 zinc/yellow b18.22.1 | 820 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4 uss flat washer zinc/yellow b18.22.1 | 7167 |
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QFC | TX | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 uss flat washer zinc/yellow b18.22.1 | 350 |
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QFC | TX | USS Flat Washer | Grade 8 | Zinc/Yellow | 5/8 | 5/8 uss flat washer grade 8 zinc yellow b18.22.1 | 15 |
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Wurth | Ont | USS Flat Washer | Steel | Zinc/Yellow | 3/4 | wsh flt uss a w st (zy) 3/4 b18.22.1 | 120 |
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Wurth | Ont | USS Flat Washer | Steel | Zinc/Yellow | 1 3/4 | wsh flt uss a w st (zy) 1 3/4 b18.22.1 | 75 |
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THRDFAST | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/4 | gr8 USS f/w z&y domestic b18.22.1 | 82 |
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THRDFAST | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/8 | gr8 USS f/w z&y domestic b18.22.1 | 76 |
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THRDFAST | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 5/8 | 5/8 gr 8 USS f/w z&y domestic b18.22.1 | 18 |
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THRDFAST | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 7/8 | 7/8 gr 8 USS f/w z&y domestic b18.22.1 | 14 |
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THRDFAST | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 5/16 | gr8 USS f/w z&y domestic b18.22.1 | 8 |
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THRDFAST | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/4 | 3/4 gr 8 USS f/w z&y domestic b18.22.1 | 2 |
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THRDFAST | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/4 | 1 1/4 gr 8 USS f/w z&y b18.22.1 | 29 |
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THRDFAST | OK | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | USS f/w & b18.22.1 | 2,275 |
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THRDFAST | OK | USS Flat Washer | Grade 8 | Zinc/Yellow | 9/16 | 9/16 gr 8 USS f/w z&y b18.22.1 | 20 |
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THRDFAST | TN | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/8 | 1 1/8 gr 8 USS f/w z&y b18.22.1 | 54 |
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THRDFAST | TN | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/4 | 1 1/4 gr 8 USS f/w z&y b18.22.1 | 2 |
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KBS | TN | USS Flat Washer | Steel | Zinc/Yellow | 1 3/8 | 1-3/8 !hardened! uss flat/w yellowznc b18.22.1 | 360 |
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KBS | TN | USS Flat Washer | Steel | Zinc/Yellow | 3/4 | 3/4 !hardened! uss flat/w yellowznc b18.22.1 | 1,126 |
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KBS | TN | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 !hardened! uss flat/w yellowznc b18.22.1 | 799 |
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KBS | TN | USS Flat Washer | Steel | Zinc/Yellow | 1/2 | 1/2 !hardened! uss flat/w yellowznc b18.22.1 | 4,800 |
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KBS | TN | USS Flat Washer | Steel | Zinc/Yellow | 5/8 | 5/8 !hardened! uss flat/w yellowznc b18.22.1 | 2,362 |
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KBS | TN | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 !hardened! uss flat/w .098min thick yellowznc b18.22.1 | 47,060 |
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KBS | TN | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 !hardened! uss flat/w mc2 .090thick yellowznc b18.22.1 | 9,750 |
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THRDFAST | AL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | gr 8 USS f/w z&y extra thk b18.22.1 | 200 |
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THRDFAST | MS | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | USS f/w z&y domestic b18.22.1 | 50 |
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THRDFAST | MS | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | USS f/w z&y domestic b18.22.1 | 40 |
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THRDFAST | OK | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 | 1 gr 8 USS f/w z&y domestic b18.22.1 | 33 |
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THRDFAST | OK | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | USS f/w z&y domestic b18.22.1 | 2 |
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THRDFAST | MS | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 | 1 gr 8 USS f/w z&y domestic b18.22.1 | 75 |
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THRDFAST | MS | USS Flat Washer | Grade 8 | Zinc/Yellow | 7/8 | gr 8 USS f/w z&y domestic b18.22.1 | 50 |
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THRDFAST | MS | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | gr8 USS f/w z&y domestic b18.22.1 | 60 |
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WSB | KY | USS Flat Washer | Steel | Zinc/Yellow | q/washer flat uss a w zy 13/16 b18.22.1 | 1,636 |
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WSB | KY | USS Flat Washer | Steel | Zinc/Yellow | q/washer flat uss a w zy 1 3/8 b18.22.1 | 720 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | hard uss flat washer zdy usa domestic b18.22.1 | 450 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | hard uss flat washer zdy usa domestic b18.22.1 | 8400 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 7/8 | 7/8 hard uss flat washer zdy usa domestic b18.22.1 | 325 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/4 | 1-1/4 hard uss flat washer zdy usa domestic b18.22.1 | 250 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 | 1 inch hard uss flat washer zdy usa domestic b18.22.1 | 240 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 hard uss flat washer zdy usa domestic b18.22.1 | 5600 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/8 | 1-1/8 hard uss flat washer zdy usa domestic b18.22.1 | 275 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 hard uss flat washer zdy usa domestic b18.22.1 | 150 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 3/8 | 3/8 hard uss flat washer zinc yellow usa domestic b18.22.1 | 3600 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 5/16 | 5/16 hard uss flat washer zinc yellow usa domestic b18.22.1 | 5600 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | hard uss flat washer zinc yellow usa domestic b18.22.1 | 8400 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 7/8 | 7/8 hard uss flat washer zinc yellow usa domestic b18.22.1 | 325 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 9/16 | 9/16 hard uss flat washer zinc yellow usa domestic b18.22.1 | 1410 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 7/16 | 7/16 hard uss flat washer zinc yellow usa domestic b18.22.1 | 2450 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/8 | 1-1/8 hard uss flat washer zinc yellow usa domestic b18.22.1 | 275 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | hard uss flat washer zinc yellow usa domestic b18.22.1 | 450 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 | 1 inch hard uss flat washer zinc yellow usa domestic b18.22.1 | 240 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/4 | 1-1/4 hard uss flat washer zinc yellow usa domestic b18.22.1 | 250 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 1 1/2 | 1-1/2 hard uss flat washer zinc yellow usa domestic b18.22.1 | 150 |
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MMF | MI | USS Flat Washer | Steel | Zinc/Yellow | 5/8 | 5/8 hard uss flat washer zinc yellow usa domestic b18.22.1 | 785 |
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