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 5935-01-421-4754
NSN 5985-00-624-0166
NSN 5960-00-480-3490
NSN 6110-00-624-7172
NSN 5920-01-310-2927
NSN 6105-00-125-9394
NSN 6135-01-411-3212
NSN 6320-01-630-7629
NSN 5910-01-146-4784
NSN 5925-00-830-8148
NSN 5910-01-468-6391
NSN 6145-01-281-2612