3/4" x 1.469" OD Thru-Hardened Yellow Zinc Finish Steel SAE General Purpose Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 0.813 INCHES NOMINAL PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.160 INCHES NOMINAL OVERALL DIAMETER: 1.469 INCHES NOMINAL END ITEM IDENTIFICATION: MRAP 3930-01-486-2151 SPECIAL FEATURES: 3/4 SAE HIGH STRENGTH ZINC PLATED FLAT WASHER MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL