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 6650-01-391-4461
NSN 6110-01-179-3097
NSN 6135-01-438-7851
NSN 2925-00-081-3547
NSN 5985-01-203-1785
NSN 4140-01-451-9755
NSN 5915-00-067-5756
NSN 5975-01-153-1927
NSN 6620-01-215-0470
NSN 5895-00-171-0412
NSN 5960-01-536-9763
NSN 6130-01-138-6082