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 6650-01-430-7130
NSN 6130-00-728-5538
NSN 6610-00-836-9437
NSN 6645-01-400-2119
NSN 5930-00-816-1909
NSN 4140-01-188-8160
NSN 6105-01-198-6421
NSN 6685-01-605-2090
NSN 6220-00-800-3221
NSN 5950-01-235-6702
NSN 6105-01-444-3849
NSN 5920-01-608-5800