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 5835-01-624-5666
NSN 6645-01-645-4291
NSN 5998-01-634-0604
NSN 5835-01-464-2662
NSN 4140-01-228-9602
NSN 6685-01-463-2485
NSN 6620-01-285-0302
NSN 6650-00-629-8027
NSN 6240-01-266-7442
NSN 5895-00-244-0943
NSN 5990-01-581-5103
NSN 6620-01-542-0494