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 5990-01-097-4721
NSN 5925-00-208-5637
NSN 5985-00-788-3456
NSN 6620-01-462-1625
NSN 5975-00-794-2523
NSN 6220-00-766-7580
NSN 5915-01-206-2851
NSN 4140-01-342-3898
NSN 6110-01-159-6898
NSN 5930-01-165-9196
NSN 6130-01-502-6590
NSN 6240-00-080-2012