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1/4 USS Flat Washers (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.
43 results, (click on any line for more information)
| Buy USS Flat Washers from one of our FCH Network Members | ||||||||
|---|---|---|---|---|---|---|---|---|
| Supplier | Loc | Type | Material | Finish | Size | Description | Qty | |
| Irwin Ind | Ont | USS Flat Washer | Steel | Zinc/Clear | 1/4 | 1/4 uss flatwashers steel zinc trivalent clear b18.22.1 | 17677 |
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| GLF | OH | USS Flat Washer | Steel | Plain | 1/4 | 1/4 uss flat stl pln b18.22.1 () () () | 2720 |
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| GLF | OH | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 | 1/4 uss flat 18-8 s/s b18.22.1 () () () | 1992 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Black | 1/4 | 1/4 uss flat stl zinc black b18.22.1 () () () | 5675 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Clear | 1/4 | 1/4 uss flat stl zc crz3 b18.22.1 () () () | 20589 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/4 | 1/4 uss flat gr 8 stl zy b18.22.1 () () () | 10574 |
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| GLF | OH | USS Flat Washer | Steel | Galvanized | 1/4 | 1/4 uss flat stl hdg b18.22.1 () () () | 15203 |
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| GLF | OH | USS Flat Washer | Steel | Fluoropolymer-Based (Xylan, Fluorokote, Teflon) | 1/4 | 1/4 uss flat stl teflon b18.22.1 () () () | 207 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Yellow | 1/4 | 1/4 uss flat thru-hard stl zy domestic b18.22.1 () () () | 128 |
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| GLF | OH | USS Flat Washer | 316, 317, A4 Stainless | Plain | 1/4 | 1/4 uss flat 316 s/s b18.22.1 () () () | 1554 |
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| GLF | OH | USS Flat Washer | Grade 5 | Zinc/Clear | 1/4 | 1/4 uss flat grade 5 stl zc b18.22.1 () () () | 1971 |
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| GLF | OH | USS Flat Washer | 316, 317, A4 Stainless | Plain | 1/4 | 1/4 uss flat 316 s/s domestic b18.22.1 () () () | 92 |
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| Ababa | CA | USS Flat Washer | Steel | Plain | 1/4 | 1/4 extra thick high alloy uss flat washer al-2000 black b18.22.1 | 1364 |
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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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| ASMC | IL | USS Flat Washer | Steel | Plain | 1/4 | flat USS pattern low carb b18.22.1 | 5,408 |
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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 | 2200 |
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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 | 6 |
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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 | 400 |
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| QFC | TX | USS Flat Washer | Steel | Plain | 1/4 | 1/4 pln uss hard b18.22.1 | 7300 |
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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/Clear | 1/4 | 1/4 uss flat triv zinc b18.22.1 | 23800 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/4 | 1/4 uss flat triv zinc b18.22.1 | 22389 |
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| QFC | TX | USS Flat Washer | Steel | Galvanized | 1/4 | 1/4 uss flat galvanized b18.22.1 | 5059 |
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| QFC | TX | USS Flat Washer | Steel | Galvanized | 1/4 | 1/4 uss f/w hdg b18.22.1 | 1 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/4 x 149 .312 x .734 | 1/4 uss flat zinc per ea 149 .312x.734x.065 b18.22.1 | 13412 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/4 x 149 .312 x .734 | 1/4 uss flat zinc per ea 149 .312x.734x.065 b18.22.1 | 7962 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/4 x 149 .312 x .734 | 1/4 uss flat zinc per ea 149 .312x.734x.065 b18.22.1 | 7942 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/4 x 149 .312 x .734 | 1/4 uss flat zinc per ea 149 .312x.734x.065 b18.22.1 | 38 |
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| QFC | TX | USS Flat Washer | Steel | Zinc/Clear | 1/4 x 149 .312 x .734 | 1/4 uss flat zinc per ea 149 .312x.734x.065 b18.22.1 | 2100 |
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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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| B & K FAST | PA | USS Flat Washer | Steel | Galvanized | 1/4 | 1/4 uss flat washers hd galv b18.22.1 | 734.29 |
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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 | Steel | Plain | 1/4 | 1/4 uss flat washers plain b18.22.1 | 86.031 |
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| B & K FAST | PA | USS Flat Washer | Steel | Zinc/Clear | 1/4 | 1/4 uss flat washers zinc b18.22.1 | 6311.328422877 |
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| JET FITTING | CA | USS Flat Washer | Steel | Black Oxide | 1/4 x .750 x .062 | 1/4x.750x.062 flat washer steel black oxide uss b18.22.1 | 13000 |
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| JET FITTING | CA | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1/4 x .750 x .062 | 1/4x.750x.062 flat washer stainless steel 18-8 uss b18.22.1 | 935 |
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| JET FITTING | CA | USS Flat Washer | Steel | Zinc/Clear | 1/4 x .750 x .062 | 1/4x.750x.062 flat washer steel zinc plated uss b18.22.1 | 3704 |
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| Wurth | Ont | USS Flat Washer | Steel | Galvanized | 1/4 | wsh flt uss a w st (hdg) 1/4 b18.22.1 | 682 |
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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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| Davis | IL | USS Flat Washer | Steel | Black Oxide | 1/4 | 1/4 uss flat washer-steel black oxide b18.22.1 | 15,500 |
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