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 5930-01-428-6279
NSN 5996-00-153-3216
NSN 6145-01-283-2482
NSN 5895-00-342-9581
NSN 6620-00-197-5130
NSN 5925-01-024-9568
NSN 5990-01-548-5979
NSN 4140-01-465-6476
NSN 5895-00-311-1674
NSN 6645-01-387-4811
NSN 5925-01-423-4791
NSN 6135-01-027-7543