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 5975-01-591-7446
NSN 5925-00-982-7687
NSN 5915-01-400-6125
NSN 5935-00-267-5569
NSN 6620-01-481-1358
NSN 6135-00-164-8780
NSN 5835-00-901-4932
NSN 5855-00-631-4565
NSN 5935-00-829-1510
NSN 6320-01-424-8606
NSN 5915-01-055-4177
NSN 5920-01-510-3933