A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes nut (1), plain, castellated, hexagon.
Classification: Nuts of iron or steel
NSN 5990-01-408-6554
NSN 6320-00-116-3658
NSN 6150-01-081-8698
NSN 5990-01-517-7848
NSN 5935-01-147-2796
NSN 6130-01-655-9738
NSN 5985-01-291-4278
NSN 6220-01-567-0793
NSN 6130-00-387-2051
NSN 6645-01-202-7986
NSN 6645-01-508-4012
NSN 5975-01-647-2625