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 5935-01-479-4575
NSN 5960-01-055-6675
NSN 5945-01-552-2199
NSN 5990-01-385-6634
NSN 6110-01-619-5290
NSN 7035-00-275-5604
NSN 6320-00-504-1214
NSN 5990-01-351-4621
NSN 6130-00-970-9075
NSN 6240-01-026-0032
NSN 5895-00-615-6503
NSN 6135-01-322-4655