A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 4140-00-555-3856
NSN 6610-00-417-4299
NSN 5999-00-454-9624
NSN 5935-01-054-2062
NSN 5990-00-835-1582
NSN 2925-00-816-8765
NSN 6610-01-255-4544
NSN 5855-01-512-1926
NSN 6320-01-512-2031
NSN 5910-01-432-2214
NSN 6650-01-312-3467
NSN 5920-01-651-4675