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 5925-01-211-6660
NSN 5935-00-601-6552
NSN 6105-01-023-6338
NSN 5835-00-074-3700
NSN 6685-00-422-2990
NSN 6645-01-462-3754
NSN 5930-01-265-0877
NSN 5975-00-646-8887
NSN 5998-01-328-2204
NSN 5999-00-256-9366
NSN 6320-01-157-9076
NSN 5930-01-555-6121