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 6145-00-603-2608
NSN 4140-01-440-0087
NSN 5999-01-367-9144
NSN 5999-01-298-6340
NSN 5855-00-455-6070
NSN 5905-01-428-5903
NSN 6145-01-619-4222
NSN 6650-01-023-4140
NSN 5925-00-951-3103
NSN 6145-01-286-1802
NSN 5915-01-487-7703
NSN 6220-01-236-9650