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 5855-00-941-6412
NSN 5935-00-142-1558
NSN 6320-01-066-1766
NSN 6150-01-426-4814
NSN 5930-00-165-4292
NSN 5990-01-157-0441
NSN 5985-01-474-5141
NSN 5905-00-967-3149
NSN 5975-01-444-1703
NSN 5990-01-544-0364
NSN 5915-01-370-9762
NSN 5990-01-651-6364