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 6620-00-043-6082
NSN 5905-01-056-2153
NSN 5975-01-506-0454
NSN 5999-01-143-6837
NSN 6145-01-463-3281
NSN 5998-01-415-7241
NSN 5925-00-491-4573
NSN 5905-01-435-4531
NSN 6610-01-225-4997
NSN 5950-01-072-5324
NSN 6620-01-105-5770
NSN 5998-01-113-7747