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USS Flat Washers , Grade 8 (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.
86 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 | |
| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 | 1 uss flat gr 8 stl zy b18.22.1 () () () | 37 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | 1/2 uss flat gr 8 stl zy b18.22.1 () () () | 757 |
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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 () () () | 9710 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/2 | 1-1/2 uss flat gr 8 stl zy b18.22.1 () () () | 164 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 1 1/4 | 1-1/4 uss flat gr 8 stl pln b18.22.1 () () () | 190 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/8 | 1-1/8 uss flat gr 8 stl zy b18.22.1 () () () | 277 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 1 1/8 | 1-1/8 uss flat gr 8 stl pln b18.22.1 () () () | 256 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/4 | 3/4 uss flat gr 8 stl zy b18.22.1 () () () | 10631 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 3/8 | 3/8 uss flat gr 8 stl pln b18.22.1 () () () | 436 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/8 | 3/8 uss flat gr 8 stl zy b18.22.1 () () () | 14495 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 5/16 | 5/16 uss flat gr 8 stl zy b18.22.1 () () () | 11907 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 5/8 | 5/8 uss flat gr 8 stl zy b18.22.1 () () () | 7709 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 7/16 | 7/16 uss flat gr 8 stl zy b18.22.1 () () () | 9955 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 7/8 | 7/8 uss flat gr 8 stl zy b18.22.1 () () () | 935 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 9/16 | 9/16 uss flat gr 8 stl zy b18.22.1 () () () | 6317 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 1 | 1 uss flat gr 8 stl pln b18.22.1 () () () | 212 |
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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1 1/4 | 1-1/4 uss flat gr 8 stl zy b18.22.1 () () () | 112 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 1 1/2 | 1-1/2 uss flat gr 8 stl pln b18.22.1 () () () | 50 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 1/2 | 1/2 uss flat gr 8 stl pln b18.22.1 () () () | 1987 |
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| GLF | OH | USS Flat Washer | Grade 8 | Plain | 3/4 | 3/4 uss flat gr 8 stl pln b18.22.1 () () () | 161 |
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| BHAM | AL | USS Flat Washer | Grade 8 | Plain | 1 1/4 | 1-1/4 uss flat washer dom. gr 8 b18.22.1 | 241 |
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| 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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| 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/Clear | 3/4 | 3/4 uss flat grade 8 zinc dom b18.22.1 | 183 |
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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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| GLF | OH | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | 1/2 uss flat gr 8 stl zy cr3 b18.22.1 () () () | 94 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/8 | gr8 flat USS pattern-usa med carb b18.22.1 | 1,950 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Zinc/Clear | 3/8 | gr8 flat USS pattern-usa med carb zp b18.22.1 | 2,360 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Zinc/Clear | 1/2 | 1/2 gr8 flat washer uss pattern-usa med carb zp b18.22.1 | 37 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Plain | 1/4 | 1/4 gr8 flat uss pattern-usa med carb pln b18.22.1 | 4,500 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Zinc/Clear | 1/4 | gr8 flat USS pattern-usa med carb zp b18.22.1 | 555 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Zinc/Yellow | 9/16 | gr8 flat USS pattern-usa med carb b18.22.1 | 500 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Zinc/Yellow | 3/4 | gr8 flat USS pattern-usa med carb b18.22.1 | 39 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Plain | 1 | 1 gr8 flat USS pattern med carb b18.22.1 | 5 |
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| ASMC | IL | USS Flat Washer | Grade 8 | Zinc/Yellow | 1/2 | 1/2 gr8 flat washer uss pattern-usa med carb yz b18.22.1 | 849 |
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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/Clear | 3/8 | 3/8 uss thru-hard flat washers gr 8 zinc b18.22.1 | 1.45 |
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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 | Galvanized | 3/4 | 3/4 uss thru-hard flat washers gr 8 galv b18.22.1 | 280 |
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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 | Plain | 1 | 1 uss thru-hard flat washers gr 8 plain domestic b18.22.1 | 451.27 |
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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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| BHAM | FL | USS Flat Washer | Grade 8 | Plain | 1 1/8 | 1-1/8 uss flat dom. gr 8 b18.22.1 | 177 |
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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 | Grade 8 | Zinc/Yellow | 5/8 | 5/8 uss flat washer grade 8 zinc yellow b18.22.1 | 15 |
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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 | Plain | 9/16 | gr 8 USS f/w b18.22.1 | 49 |
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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 | Plain | 1 1/2 | gr 8 USS f/w b18.22.1 | 4 |
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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 | Plain | 5/8 | gr 8 USS f/w b18.22.1 | 180 |
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| THRDFAST | FL | USS Flat Washer | Grade 8 | Zinc/Clear | 1 | 1 gr 8 USS f/w domestic b18.22.1 | 122 |
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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 | FL | USS Flat Washer | Grade 8 | Plain | 3/4 | gr 8 USS f/w b18.22.1 | 4 |
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| THRDFAST | FL | USS Flat Washer | Grade 8 | Plain | 1 1/4 | gr 8 USS f/w b18.22.1 | 2 |
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| THRDFAST | OK | USS Flat Washer | Grade 8 | Plain | 3/4 | gr 8 USS f/w b18.22.1 | 300 |
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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 | FL | USS Flat Washer | Grade 8 | Plain | 1 3/8 | gr 8 USS f/w b18.22.1 | 2 |
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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 | Plain | 2 | 2 gr 8 USS f/w b18.22.1 | 4 |
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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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| THRDFAST | AL | USS Flat Washer | Grade 8 | Zinc/Clear | 3/8 | 3/8 gr 8 USS f/w b18.22.1 | 3,000 |
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| All Size | TX | USS Flat Washer | Grade 8 | Plain | 3/4 | 3/4 gr. 8 uss flat washer domestic b18.22.1 | 2 |
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