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 5996-01-597-1682
NSN 6685-00-846-6916
NSN 6320-01-522-0318
NSN 6645-01-554-2871
NSN 5895-01-309-2404
NSN 6240-01-223-4917
NSN 6220-01-575-2216
NSN 2925-01-004-5627
NSN 6620-01-052-2773
NSN 5895-01-618-9502
NSN 6220-01-322-7443
NSN 6145-01-551-1045