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 6620-00-118-1983
NSN 5965-01-228-8817
NSN 6130-00-760-9144
NSN 4140-01-607-4738
NSN 5855-00-337-3679
NSN 5930-01-007-3119
NSN 5990-00-623-8127
NSN 6610-00-217-2194
NSN 6150-01-615-5218
NSN 6130-01-428-7663
NSN 6130-00-205-1714
NSN 6130-00-554-7852