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 5998-01-656-2583
NSN 5915-01-348-5116
NSN 4140-01-359-2643
NSN 5998-00-253-3799
NSN 6150-01-385-4724
NSN 4140-01-491-6680
NSN 6145-01-415-6127
NSN 6130-00-115-1862
NSN 5935-01-053-5333
NSN 5998-01-410-3438
NSN 5996-00-030-7503
NSN 6645-00-720-3953