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 5990-01-575-3275
NSN 4140-01-116-4604
NSN 5975-01-522-8315
NSN 5996-01-060-6746
NSN 5920-01-443-7955
NSN 5965-00-419-9590
NSN 5905-01-063-6881
NSN 6610-01-380-0315
NSN 5999-01-293-5946
NSN 6620-01-270-3811
NSN 5950-01-419-8717
NSN 5910-01-375-6036