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 6110-01-269-7633
NSN 6135-01-022-5427
NSN 5935-00-332-3548
NSN 6135-01-414-9810
NSN 6145-01-536-4535
NSN 5855-01-550-5219
NSN 6620-01-245-0184
NSN 5920-00-776-0633
NSN 5965-01-587-1475
NSN 6650-00-115-2408
NSN 6220-01-634-0660
NSN 5965-01-324-6583