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 6135-01-521-0378
NSN 5930-00-109-0952
NSN 6220-00-198-8499
NSN 6220-00-802-6363
NSN 6105-00-072-8785
NSN 5945-01-096-1390
NSN 5985-00-484-0882
NSN 6610-01-442-3509
NSN 6145-00-466-4068
NSN 6220-01-032-3684
NSN 5990-01-248-0108
NSN 4140-01-422-7439