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 5920-01-494-8101
NSN 5950-01-394-0993
NSN 5998-01-653-1001
NSN 4140-01-649-9621
NSN 5925-01-044-5508
NSN 6240-01-365-1337
NSN 5935-00-723-4624
NSN 5990-01-143-2518
NSN 5920-01-068-0178
NSN 5990-01-332-6722
NSN 6645-01-495-5553
NSN 6620-01-593-0817