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 6685-00-484-5721
NSN 5920-01-261-2856
NSN 6130-01-234-2767
NSN 5920-01-132-9395
NSN 5985-00-187-1982
NSN 5835-00-378-1429
NSN 5960-01-211-8344
NSN 5920-01-364-1866
NSN 2925-00-294-4140
NSN 6130-01-441-2618
NSN 6135-01-633-2066
NSN 5925-00-256-3486