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.
NSN 6110-01-439-0741
NSN 5945-00-010-8336
NSN 6685-00-351-9082
NSN 5905-01-396-3073
NSN 5960-01-426-4242
NSN 5835-01-028-7009
NSN 5950-01-603-5507
NSN 5920-01-227-1877
NSN 5835-01-608-4285
NSN 6320-01-459-6992
NSN 6620-01-470-3854
NSN 5920-01-570-0553