M16 x 50mm OD DIN 9021 A2 Stainless Steel Fender Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 17.0 MILLIMETERS NOMINAL PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 3.0 MILLIMETERS NOMINAL OVERALL DIAMETER: 50.0 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: MRAP - COUGAR CAT1 A2 PART NAME ASSIGNED BY CONTROLLING AGENCY: FENDER WASHER SPECIAL FEATURES: DIN 9021 CLASS A2 MATERIAL: STEEL CORROSION RESISTING OVERALL SUPPLEMENTARY FEATURES: FINISH: PLAIN; BOLT SIZE: M16