M8-1.25 DIN 980 Class 10 Zinc Finish Steel Top Lock Nut / NUT STYLE: A12 HEXAGON NUT HEIGHT: 8.8 MILLIMETERS NOMINAL END ITEM IDENTIFICATION: MRAP - COMMON NSN - USED ON 6 MRAP VARIANTS AND 1 OTHER WEAPON SYSTEM WIDTH ACROSS FLATS: 13.0 MILLIMETERS NOMINAL NOMINAL THREAD SIZE: 8.0 MILLIMETERS THREAD PITCH IN MILLIMETERS: 1.25 PART NAME ASSIGNED BY CONTROLLING AGENCY: NUT,HEX METRIC PREV. TORQ M8 SPECIAL FEATURES: M8-1.25 DIN 980 CLASS 10 ZINC PLATED LOCK NUT MATERIAL: STEEL OVERALL SURFACE TREATMENT: ZINC OVERALL