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 5975-01-415-8980
NSN 6685-01-222-2564
NSN 5910-01-248-8382
NSN 6145-00-091-1079
NSN 6240-01-503-5809
NSN 5920-01-062-1369
NSN 5999-01-503-2817
NSN 5990-01-110-8979
NSN 5895-01-468-5582
NSN 5950-00-368-7182
NSN 5930-00-200-1351
NSN 5965-00-170-5254