MS51943C, MILITARY STANDARD: NUT, SELF LOCKING, HEXAGON PREVAILING TORQUE, FOR CRITICAL INSTALLATIONS, 250 DEG. F, UNC-3B AND UNF-3B (23-JUN-1976) [S/S BY MIL-DTL-45913]

MS51943C, MILITARY STANDARD: NUT, SELF LOCKING, HEXAGON PREVAILING TORQUE, FOR CRITICAL INSTALLATIONS, 250 DEG. F, UNC-3B AND UNF-3B (23-JUN-1976) [S/S BY MIL-DTL-45913].