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.
NSN 5960-00-822-9519
NSN 5996-01-477-2095
NSN 6220-01-358-1447
NSN 5855-01-398-0090
NSN 6110-01-290-9380
NSN 5905-00-147-6288
NSN 6620-01-517-0014
NSN 5920-01-046-7033
NSN 6110-01-400-4207
NSN 6620-01-530-1201
NSN 5855-00-494-9581
NSN 6645-00-925-0111