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 5960-01-375-6815
NSN 5905-01-596-7925
NSN 6110-00-130-5342
NSN 5990-01-633-9503
NSN 6685-01-332-7822
NSN 6240-01-633-9357
NSN 6150-00-092-9134
NSN 6130-01-044-8088
NSN 5855-01-400-1590
NSN 5915-00-014-3277
NSN 5910-00-688-9657
NSN 5965-00-215-0307