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 6650-01-437-6279
NSN 6620-00-800-5579
NSN 6135-01-377-5729
NSN 6240-01-588-3477
NSN 5925-00-192-3217
NSN 6685-00-227-0212
NSN 6110-00-594-7640
NSN 6320-01-575-6342
NSN 6150-00-368-9711
NSN 7035-01-142-8036
NSN 6240-01-454-0899
NSN 5915-00-058-5883