M8 x 16mm OD DIN 125 Grade HV200 Yellow Zinc Finish Steel Type A General Purpose Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 RECTANGULAR HOLE DIAMETER: 8.400 MILLIMETERS MINIMUM AND 8.620 MILLIMETERS MAXIMUM PERIPHERAL SHAPE STYLE: 1 ROUND CENTER HOLE SHAPE STYLE: 1 ROUND THICKNESS: 1.600 MILLIMETERS NOMINAL OVERALL DIAMETER: 15.570 MILLIMETERS MINIMUM AND 16.000 MILLIMETERS MAXIMUM END ITEM IDENTIFICATION: STRYKER,FOV; MRAP - COUGAR CAT1 A1; MEDIUM MINE PROTECTED VEHICLE - MMPV SPECIAL FEATURES: HARDNESS CLASS IS 200HV MATERIAL: STEEL OVERALL