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 5999-00-220-5713
NSN 5975-00-469-9238
NSN 5990-01-354-6255
NSN 6620-01-063-1441
NSN 6620-00-155-2608
NSN 6685-00-682-7459
NSN 5990-01-627-8097
NSN 6685-00-514-5329
NSN 5835-00-243-0594
NSN 5990-01-294-6198
NSN 6620-01-039-5468
NSN 5999-00-321-7059