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 6145-01-381-5589
NSN 6105-00-911-1581
NSN 5960-01-450-8539
NSN 6220-01-106-7845
NSN 6105-01-398-1066
NSN 5960-01-502-0344
NSN 6105-01-313-9023
NSN 5965-01-408-9551
NSN 4140-01-191-7577
NSN 4140-01-116-1359
NSN 5950-01-403-2852
NSN 5905-01-515-7449