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 5990-01-261-2962
NSN 6620-00-449-1973
NSN 5895-00-907-5618
NSN 6135-01-645-4653
NSN 5915-01-578-6153
NSN 2925-01-274-8576
NSN 5895-01-634-0630
NSN 6645-00-415-0884
NSN 5985-01-534-6500
NSN 6650-00-428-7055
NSN 5998-01-100-0904
NSN 5998-01-265-9371