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 5905-00-842-4536
NSN 5990-01-633-9503
NSN 5990-01-044-4767
NSN 5990-01-414-2778
NSN 7035-01-154-0796
NSN 5930-00-762-5933
NSN 6620-01-633-8443
NSN 5835-00-233-6327
NSN 5999-00-143-1818
NSN 5996-01-020-5759
NSN 6135-01-226-4071
NSN 6645-01-102-2321