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 5965-01-629-5800
NSN 6610-01-420-3780
NSN 5935-01-003-4712
NSN 6135-01-528-0699
NSN 5996-01-390-2125
NSN 2925-01-430-4206
NSN 5915-01-224-7044
NSN 5960-01-495-0859
NSN 5895-01-307-8092
NSN 6150-00-921-4440
NSN 5965-01-360-0454
NSN 6145-01-050-7531