M8 x 16mm OD DIN 125 Grade HV300 Zinc Finish Steel Type A General Purpose Flat Washer / CROSS-SECTIONAL SHAPE STYLE: 1 SPHERICAL RECESS PERIPHERAL SHAPE STYLE: 1 RECTANGLE, NO HOLES CENTER HOLE SHAPE STYLE: 1 ROUND END ITEM IDENTIFICATION: 2355-01-532-2174 Joint EOD Rapid Response Vehicle (JERRV) PART NAME ASSIGNED BY CONTROLLING AGENCY: WASHER, FLAT SPECIAL FEATURES: M8 Blue Zinc Thru Hardened Flat Washer COLOR: BLUE OVERALL MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL