MS21099, MILITARY STANDARD: BOLT, SELF LOCKING, CORROSION RESISTING STEEL, 80 KSI FTU, 250 DEG. F, 12-POINT, EXTERNAL WRENCHING (EXTERNALLY WRENCHING CAP SCREWS) (24 MAR 1965)

MS21099, MILITARY STANDARD: BOLT, SELF LOCKING, CORROSION RESISTING STEEL, 80 KSI FTU, 250 DEG. F, 12-POINT, EXTERNAL WRENCHING (EXTERNALLY WRENCHING CAP SCREWS) (24 MAR 1965).