1/4" 18-8 Stainless Steel Small OD Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 0.285 INCHES NOMINAL PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.040 INCHES NOMINAL OVERALL DIAMETER: 0.625 INCHES NOMINAL PART NAME ASSIGNED BY CONTROLLING AGENCY: 1/4" 18-8 STAINLESS STEEL SMALL OD FLAT WASHER SPECIAL FEATURES: GRADE IS 18-8 MATERIAL: STEEL CORROSION RESISTING OVERALL