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 5925-00-100-0102
NSN 5975-01-157-9432
NSN 6645-01-055-5427
NSN 6135-00-182-7008
NSN 6110-00-932-7099
NSN 6620-00-824-2176
NSN 5855-01-130-1501
NSN 6220-00-723-2163
NSN 6620-01-641-1376
NSN 6105-00-017-3448
NSN 6610-00-712-2217
NSN 5935-00-269-5516