5/8" x 1.000" OD Grade 6/6 Natural Nylon General Purpose Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 0.623 INCHES MINIMUM AND 0.639 INCHES MAXIMUM PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.123 INCHES MINIMUM AND 0.133 INCHES MAXIMUM OVERALL DIAMETER: 0.992 INCHES MINIMUM AND 1.008 INCHES MAXIMUM END ITEM IDENTIFICATION: USED ON LVSR MKR15 WRECKER PART NAME ASSIGNED BY CONTROLLING AGENCY: WASHER,FLAT,0.631 X 1.00 X 0.128 SPL COLOR: WHITE OVERALL MATERIAL: PLASTIC NYLON OVERALL