5/8" x 1.750" OD 18-8 Stainless Steel Large OD Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 0.683 INCHES MINIMUM AND 0.692 INCHES MAXIMUM PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 0.090 INCHES MINIMUM AND 0.113 INCHES MAXIMUM OVERALL DIAMETER: 1.745 INCHES MINIMUM AND 1.755 INCHES MAXIMUM END ITEM IDENTIFICATION: R19TM900GPMFL PART NAME ASSIGNED BY CONTROLLING AGENCY: WASHER,FLAT MATERIAL: STEEL CORROSION RESISTING OVERALL