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 6130-01-364-1608
NSN 5990-01-076-8901
NSN 4140-00-226-9807
NSN 5985-01-013-3830
NSN 5998-01-062-8163
NSN 5920-00-711-0767
NSN 5960-01-632-6576
NSN 5996-00-868-2543
NSN 7035-01-325-7658
NSN 5915-01-468-0053
NSN 5910-01-623-3341
NSN 7035-00-541-8516