A nut having 6 flat sides, flat on the bottom and having a slotted cylindrical or dome shaped upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, slotted, hexagon.
Classification: Nuts of iron or steel
NSN 6650-01-654-6257
NSN 5905-00-410-3097
NSN 6220-01-502-6568
NSN 6105-00-082-1198
NSN 6645-01-076-4655
NSN 6650-00-859-1859
NSN
NSN 5930-00-633-8008
NSN 5895-00-097-8948
NSN 5965-01-304-9127
NSN 2925-01-330-2988
NSN 5965-00-445-1843