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 6110-00-563-7672
NSN 5996-00-942-0487
NSN 5945-01-406-3497
NSN 5920-01-425-4322
NSN 5925-01-146-9641
NSN 6650-00-535-6923
NSN 6320-01-481-7322
NSN 5930-00-596-9276
NSN 5945-00-191-6136
NSN 6105-01-170-5420
NSN 5855-00-763-2155
NSN 6130-01-294-5665