Steel SAE Washer, Zinc Yellow Fastener Finish, Fits Bolt Sizes 1/4 in, 5/8 in Washer Outside Dia./ CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 0.281 INCHES NOMINAL PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.055 INCHES MINIMUM AND 0.072 INCHES MAXIMUM OVERALL DIAMETER: 0.625 INCHES NOMINAL END ITEM IDENTIFICATION: 3835-01-511-7335; HOSELINE OUTFIT,FUEL HANDLING; MRAP BUFFALO MK2A2; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); LOGISTICS SUPPORT VESSEL SPECIAL FEATURES: SAE HIGH-STRENGTH FLAT WASHER 1/4" SCREW SZ; MADE OF TOP-QUALITY C1040-1050 STEEL; CORROSION RESISTANT; IDENTIFIED WITH AN MC QUALITY MARK; ASSAULT HOSELINE SYSTEM COLOR: YELLOW OVERALL MATERIAL: STEEL OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: ANSI B18.22.1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL SURFACE TREATMENT: CHROMATE ZINC OVERALL