A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5999-00-331-3411
NSN 7035-00-275-5604
NSN 6650-00-464-4617
NSN 6135-01-242-6484
NSN 6220-01-634-0660
NSN 5999-00-679-9934
NSN 6620-00-922-6246
NSN 6685-01-020-6718
NSN 5990-00-133-7734
NSN 6220-00-299-5894
NSN 5920-00-779-9560
NSN 6620-01-374-5787