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 6130-00-849-1431
NSN 6145-01-348-8602
NSN 6220-00-066-6457
NSN 7035-01-157-0028
NSN 6150-00-078-7064
NSN 6620-01-607-5738
NSN 5935-00-888-5615
NSN 6130-01-597-0772
NSN 6220-00-222-5663
NSN 6645-01-378-5260
NSN 6240-00-017-9006
NSN 5996-00-909-5466