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 5998-01-634-0604
NSN 5998-00-420-1448
NSN 2925-01-462-1620
NSN 5895-00-316-3385
NSN 4140-01-370-4868
NSN 5925-01-537-0409
NSN 5998-00-246-5967
NSN 6105-01-087-0245
NSN 5998-01-211-0236
NSN 5925-00-557-4530
NSN 5960-01-353-0773
NSN 5990-00-848-8870