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 5915-01-472-4169
NSN 6240-01-545-4554
NSN 5950-01-417-2136
NSN 5920-01-519-8835
NSN 6135-01-550-2518
NSN 6650-00-960-5040
NSN 5985-00-702-5449
NSN 5965-01-229-0786
NSN 6320-01-504-3948
NSN 5905-00-094-6850
NSN 4140-00-223-5197
NSN 5935-00-977-3277