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 6220-00-883-3510
NSN 6145-00-603-2578
NSN 5999-00-234-2000
NSN 4140-00-215-8593
NSN 5915-00-376-9388
NSN 6130-01-165-4616
NSN 5990-01-546-1649
NSN 6645-01-045-4088
NSN 6320-01-308-9392
NSN 6145-01-438-2984
NSN 5985-01-368-1808
NSN 6110-01-551-1129