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 4140-00-679-9512
NSN 6130-01-279-5323
NSN 5998-01-268-2300
NSN 7035-01-641-6193
NSN 6650-00-025-4772
NSN 6685-00-754-7495
NSN 5996-00-404-7813
NSN 5835-01-386-4027
NSN 5999-01-336-6644
NSN 5945-01-620-1288
NSN 2925-00-684-7708
NSN 6135-01-611-0125