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 2925-01-464-3093
NSN 6150-01-210-8854
NSN 6220-01-341-7850
NSN 5920-01-143-0433
NSN 5915-01-084-2966
NSN 5855-01-398-9548
NSN 6620-01-542-8709
NSN 5925-01-617-6681
NSN 5975-00-327-5066
NSN 5855-00-832-9341
NSN 6220-01-202-7954
NSN 5985-00-093-6303