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 6135-00-112-8637
NSN 5915-01-425-2303
NSN 5930-01-138-2739
NSN 5999-00-966-5137
NSN 6240-00-958-7626
NSN 5935-01-388-4315
NSN 6685-00-178-9575
NSN 5935-01-316-0066
NSN 5945-01-252-0561
NSN 6685-01-216-7164
NSN 5855-01-512-1926
NSN 5915-01-152-2684