Stainless Steel Flat Washer, Plain Fastener Finish, Fits Bolt Sizes 5/16 in/ CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 0.34375 INCHES NOMINAL PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.047 INCHES NOMINAL OVERALL DIAMETER: 0.750 INCHES NOMINAL END ITEM IDENTIFICATION: 6150-01-633-6567;LOAD BANK,ELECTRICAL; LOGISTICS SUPPORT VESSEL PART NAME ASSIGNED BY CONTROLLING AGENCY: FLAT WASHER SPECIAL FEATURES: FITS BOLT SIZES: 0.3125 INCH NOMINAL;MATERIAL: 18-8 STAINLESS STEEL;MEETS/EXCEEDS:ASME B18.22.1 MATERIAL: STEEL PROPERTY CLASS 18.8 OVERALL