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1 3/8 USS Flat Washers
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.
89 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 | |
| Jackson | MS | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1-3/8 USS flat 1 1/2 idx3 1/4 od 7 gauge 3/lb | 712 |
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| Jackson | MS | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 USS flat 1 1/2 idx3 1/4 od 3/lb | 203 |
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| YANKEE | NH | USS Flat Washer | Steel | Plain | 1 3/8 x 3 1/4 | 1-3/8 x 3-1/4 uss flat washer plain steel | 58 |
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| ACF | CA | USS Flat Washer | Steel | Zinc/Clear | 1.500 x 3.250 x .180 | 1.500x3.250x.180 uss steel flatwasher z/p rohs | 130 |
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| XL Screw | GA | USS Flat Washer | Grade 5 | Plain | 1 3/8 (1 1/2 x 3 1/4 x .153/.213) | uss flat hard rc 38-45 for a325/a490 and 8 9 bolts | 150 |
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| XL Screw | GA | USS Flat Washer | Grade 5 | Zinc/Yellow | 1 3/8 (1 1/2 x 3 1/4 x .153/.213) | uss flat hard rc 38-45 zyd for a325/a490 and 8 9 bolts | 150 |
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| BoltCraft | NE | USS Flat Washer | Steel | Plain | 1 3/8 x 145 | 1-3/8 uss flat washer plain 145/ctn | inquire |
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| Jackson | MS | USS Flat Washer | Steel | Galvanized | 1 3/8 | USS flat hot dip 1 1/2 idx3 1/4 od 3/lb | 196 |
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| Lippin | CA | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1 3/8 flat washer uss zp 5# (15) | 1 |
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| Ababa | CA | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss f/w stl pln (3-1/4 od) b18.22.1 | 95 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1 3/8 uss f/w stl znc (3-1/4 od) b18.22.1 | 124 |
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| Ababa | CA | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1 3/8 uss f/w stl znc (3-1/4 od) b18.22.1 | 25 |
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| JET FITTING | CA | USS Flat Washer | Steel | Galvanized | 1 3/8 | 1 3/8 washers flat washers uss steel flat washer hdg (inch) b18.22.1 | 9 |
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| ACCURATE | IL | USS Flat Washer | Steel | Plain | 1 3/8 | uss flat s | 421 |
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| SunPack | FL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1-3/8 uss flat zinc | 12 |
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| SunPack | FL | USS Flat Washer | Steel | Plain | 1 3/8 | 1-3/8 uss flat plain | 21 |
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| SunPack | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 3/8 | 1-3/8 gr8 uss flat yellow zinc | 112 |
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| SunPack | FL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | USS flat | 12 |
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| Hewes | NY | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | USS f/w pl150 pc/50# | 168 |
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| Cal Fastenrs | CA | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | USS f/w | 14 |
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| Wurth Ada | MN | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | washer flat uss a w steel (zt) 1 3/8 | 100 |
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| GLF | OH | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1-3/8 uss flat stl zc b18.22.1 () () () | 181 |
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| American | NY | USS Flat Washer | Steel | Plain | 1 3/8 | USS flat | 134 |
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| THRDFAST | OK | USS Flat Washer | Steel | Plain | 1 3/8 | USS f/w b18.22.1 | 105 |
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| OBRIEN | OH | USS Flat Washer | Grade 8 | Plain | 1 3/8 | USS f/w gr8 | 8 |
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| THRDFAST | FL | USS Flat Washer | Grade 8 | Plain | 1 3/8 | gr 8 USS f/w b18.22.1 | 2 |
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| SunPack | FL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 3/8 | 1-3/8 gr8 uss flat yellow zinc | 107 |
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| UNEEDA | NJ | USS Flat Washer | Steel | Plain | 1 3/8 | USS flat | 170 |
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| Ababa | CA | USS Flat Washer | Steel | Galvanized | 1 3/8 | 1 3/8 uss flat washer steel hot dip galvanized (3-1/4 od) b18.22.1 | 9 |
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| Lippin | CA | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1 3/8 flat washer uss zinc | 6450 |
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| NutsBolts | NE | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1 3/8 uss flat washer zp | 94 |
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| NutsBolts | NE | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss flat washer plain | 6 |
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| BHAM | TX | USS Flat Washer | Steel | Plain | 1 3/8 | USS flat | 138 |
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| BHAM | FL | USS Flat Washer | Steel | Plain | 1 3/8 | USS flat | 113 |
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| Future Fastener | TX | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1 3/8 uss flat washer plt | 134 |
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| Jackson | MS | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 3/8 | USS gr 8 flat | 397 |
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| Lippin | CA | USS Flat Washer | Steel | Plain | 1 3/8 | flat washer uss plain | 49 |
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| Delta | TX | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | flat washer uss zinc 1 3/8 (3 1/4 OD) | 118 |
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| Delta | TX | USS Flat Washer | Steel | Plain | 1 3/8 | flat washer uss plain 1 3/8 (3 1/4 OD) | 189 |
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| Delta | TX | USS Flat Washer | Steel | Galvanized | 1 3/8 | flat washer uss hdg 1 3/8 (3 1/4 OD) | 226 |
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| All Size | TX | USS Flat Washer | Steel | Galvanized | 1 3/8 | 1-3/8 uss washer galv b18.22.1 | 122 |
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| All Size | TX | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss flat washer plain b18.22.1 | 138 |
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| THRDFAST | AL | USS Flat Washer | Steel | Plain | 1 3/8 | USS f/w b18.22.1 | 35 |
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| SRF | AL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | USS flat | 850 |
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| WDMB | IA | USS Flat Washer | Steel | Plain | 1 3/8 | flat uss a w st (pl) 1 3/8 | 129 |
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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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| ASFCORP | MI | USS Flat Washer | Steel | Galvanized | 1 3/8 | 1 3/8 uss flt wshr hdg pkg | 25 |
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| ASFCORP | MI | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss flt wshr thru-hardened stl rc 38-45 pkg | 5 |
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| FastWare | Sask | USS Flat Washer | Steel | Plain | 1 3/8 | USS flat | 34 |
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| ASMC | IL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | flat USS pattern low carb zp | 5 |
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| Alma Bolt | MI | USS Flat Washer | Steel | Plain | 1 3/8 | USS flat | 238 |
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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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| Kanebridge | IL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1 3/8 uss flat washer zinc | 625,000 |
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| Liberty | IL | USS Flat Washer | Steel | Zinc/Yellow | 1 3/8 | USS flat .0002 (1-1/2x3-1/4x.153/.213) (1-1/2x3-1/4x.153/.213) | 141 |
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| HBBOLT | CA | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | USS flat [] | 9 |
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| General F | MI | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1-3/8 uss mil carb zinc .0002 tri-clear Hardened | 15 |
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| XL Screw | GA | USS Flat Washer | Steel | Plain | 1 3/8 | uss flat s | 150 |
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| XL Screw | GA | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | uss flat s zp | 150 |
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| MidStates | MI | USS Flat Washer | 300 Stainless (A1,A2, 18-8,304,310 etc.) | Plain | 1 3/8 | 1-3/8 uss flat washer 18-8 | 8 |
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| Hayes | CA | USS Flat Washer | Steel | Plain | 1 3/8 | 1-3/8 uss flat washer pln | 55 |
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| SunPack | FL | USS Flat Washer | Steel | Plain | 1 3/8 | USS flat | 21 |
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| Valley Nu | WA | USS Flat Washer | Steel | Zinc/Black | 1 3/8 | (3 1/4 od) USS cut zb | 27.5 |
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| Brikksen | FL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1/2 uss f/w 1-3/8 od s/zinc | inquire |
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| Wurth Ind | IN | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | wsh flt uss a w st zn 1 3/8 steel zinc/clear | 251 |
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| Brikksen | FL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1/2 uss f/w 1-3/8 od s/zinc | 8000 |
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| ASFCORP | MI | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1 3/8 uss flt wshr tri zn fe/zn 5an pkg | 170 |
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| Hodell | OH | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss fl wash pln (pcs) 25 pcs | 50 |
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| Lightning | LA | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 3/8 | USS flat | 110 |
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| Hodell | OH | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss fl wash pln | 50 |
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| Brikksen | FL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1/2 uss f/w 1-3/8 od s/zinc | 75000 |
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| Brikksen | FL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1/2 uss f/w 1-3/8 od s/zinc | 15000 |
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| Raw Produ | NJ | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | flat washers zinc uss 1-3/8 | 123 |
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| WINA | MN | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | wsh flt uss a w st zn 1 3/8 | 251 |
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| Valley Nu | WA | USS Flat Washer | Steel | Plain | 1 3/8 | (3 1/4 od) USS pl | 35.5 |
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| Hodell | OH | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss fl wash plain (lbs) | 50 |
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| Brikksen | FL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1/2 uss f/w 1-3/8 od s/zinc | inquire |
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| Raw Produ | NJ | USS Flat Washer | Steel | Galvanized | 1 3/8 | flat washers hdg uss 1-3/8 | 141 |
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| Valley Nu | WA | USS Flat Washer | Steel | Galvanized | 1 3/8 | (3 1/4od) USS hdg | 131.5 |
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| Lightning | LA | USS Flat Washer | Steel | Plain | 1 3/8 | astm f844 USS flat | 452 |
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| Centennia | CO | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1-3/8 uss flat washer pcs zinc | 71 |
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| Hodell | OH | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss fl wash plain (lbs) | 50 |
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| Hodell | OH | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss fl wash plain (lbs) | 50 |
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| Fastener | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 3/8 | flat 1-3/8 uss grade 8 zinc yellow | 60 |
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| Lightning | LA | USS Flat Washer | Steel | Galvanized | 1 3/8 | astm f844 USS flat hot dipped | 130 |
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| Brikksen | FL | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | 1/2 uss f/w 1-3/8 od s/zinc | 9000 |
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| Centennia | CO | USS Flat Washer | Steel | Plain | 1 3/8 | 1-3/8 uss flat washer pcs | 143 |
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| Lightning | LA | USS Flat Washer | Steel | Zinc/Clear | 1 3/8 | astm f844 USS flat | 96 |
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| THRDFAST | MS | USS Flat Washer | Steel | Galvanized | 1 3/8 | USS f/w hdg b18.22.1 | 5 |
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| Hodell | OH | USS Flat Washer | Steel | Plain | 1 3/8 | 1 3/8 uss fl wash pln | 50 |
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