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 5999-01-449-9527
NSN 6620-01-275-9777
NSN 5999-01-396-1558
NSN 5990-01-235-8404
NSN 6320-01-373-5287
NSN 5920-01-241-7666
NSN 6620-01-463-1373
NSN 7035-01-254-3606
NSN 5965-00-630-7872
NSN 5935-01-303-9908
NSN 5990-00-038-6482
NSN 6135-01-246-0308