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 5975-00-157-1620
NSN 7035-00-231-2871
NSN 5920-00-800-8998
NSN 6610-00-456-0485
NSN 5930-00-552-1946
NSN 5920-01-658-2325
NSN 5920-00-935-2275
NSN 6135-01-332-0431
NSN 6620-01-591-1331
NSN 5998-01-508-2209
NSN 5835-01-435-4139
NSN 5985-00-549-0377