5/8" x 1.5" OD Aluminum Large OD General Purpose Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 0.625 INCHES MINIMUM AND 0.688 INCHES MAXIMUM PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.125 INCHES NOMINAL OVERALL DIAMETER: 1.750 INCHES NOMINAL END ITEM IDENTIFICATION: CABLE ASSEMBLY PART NAME ASSIGNED BY CONTROLLING AGENCY: NAVY SPECIAL PROJECT MATERIAL: ALUMINUM OVERALL