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 6650-01-660-1609
NSN 5835-01-477-0137
NSN 6620-01-039-5468
NSN 5915-01-485-6504
NSN 6110-01-076-3043
NSN 2925-01-384-4139
NSN 5915-01-094-5681
NSN 6645-01-514-7901
NSN 6650-00-179-8970
NSN 5915-00-726-1204
NSN 5835-01-647-6426
NSN 2925-00-141-9393