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 5925-01-277-0676
NSN 5925-00-389-6433
NSN 6320-00-422-9006
NSN 5998-01-037-6990
NSN 6320-00-701-0437
NSN 6610-00-348-2378
NSN 6620-01-633-8443
NSN 5960-00-997-7386
NSN 6105-01-585-3556
NSN 7035-00-529-3128
NSN 6145-01-256-0462
NSN 6130-01-543-6480