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 5910-01-281-3355
NSN 5905-00-635-7438
NSN 4140-01-273-4891
NSN 5915-01-398-1672
NSN 6110-01-119-3555
NSN 5999-00-772-5707
NSN 4140-00-736-4224
NSN 5999-01-179-8148
NSN 6145-01-236-7644
NSN 6135-00-223-9563
NSN 5935-00-534-8502
NSN 5935-01-425-1747