A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 6130-00-661-0197
NSN 5935-01-508-5480
NSN 5990-00-518-0684
NSN 5996-00-026-9118
NSN 5960-01-395-9834
NSN 6135-01-447-3086
NSN 6130-00-113-9768
NSN 6145-00-909-0614
NSN 2925-00-945-0792
NSN 5999-01-435-9619
NSN 5998-00-883-9674
NSN 2925-01-222-7764