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 4140-01-040-9514
NSN 6645-01-407-6448
NSN 6220-00-091-3140
NSN 5985-01-016-6372
NSN 5920-01-287-5693
NSN 5855-01-413-8962
NSN 5945-01-287-8230
NSN 6620-01-567-7456
NSN 5905-00-417-0839
NSN 4140-01-270-1067
NSN 5855-00-221-9435
NSN 6620-01-157-9267