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 6620-00-343-8229
NSN 6150-01-460-7916
NSN 5920-01-394-5003
NSN 2925-01-324-6423
NSN 5945-00-027-8651
NSN 5950-01-165-5364
NSN 4140-00-232-1039
NSN 6620-00-422-5866
NSN 6620-01-238-8018
NSN 6240-01-010-2991
NSN 5998-01-028-6267
NSN 5855-01-559-9639