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 6320-01-445-8192
NSN 6130-01-169-9255
NSN 6610-00-641-3015
NSN 6150-01-606-8375
NSN 6110-00-609-2772
NSN 6610-01-526-2054
NSN 5945-01-625-5918
NSN 6220-01-267-3250
NSN 6135-01-554-4281
NSN 5910-00-407-4713
NSN 4140-01-289-5999
NSN 6150-00-468-5416