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.
NSN 6240-00-753-2031
NSN 5915-01-448-5314
NSN 5996-01-283-6729
NSN 5930-01-434-4633
NSN 6645-01-417-7996
NSN 5990-00-557-8726
NSN 6220-00-254-0427
NSN 5905-01-272-8683
NSN 6130-00-565-7238
NSN 6645-00-868-6720
NSN 6620-01-612-9030
NSN 5835-00-137-7497