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: 0.823 INCHES NOMINAL PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.134 INCHES NOMINAL OVERALL DIAMETER: 1.481 INCHES NOMINAL END ITEM IDENTIFICATION: R19TM900GPMFL PART NAME ASSIGNED BY CONTROLLING AGENCY: 3/4" FLAT WASHER, THRU-HARDENED HIGH STRENGTH COLOR: YELLOW OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM B633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL