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 6620-01-253-0374
NSN 5905-01-071-6668
NSN 6110-01-008-8177
NSN 4140-01-278-4566
NSN 6240-01-387-7178
NSN 5905-01-183-4971
NSN 7035-01-141-3041
NSN 6145-01-539-4111
NSN 6135-01-077-3787
NSN 5905-01-463-2627
NSN 5915-00-579-0618
NSN 5999-01-619-7397