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 6650-00-569-1762
NSN 5935-00-290-7885
NSN 5990-01-485-0260
NSN 6320-01-233-5798
NSN 2925-01-269-3861
NSN 5925-00-223-1842
NSN 5930-01-153-7394
NSN 5960-00-607-0395
NSN 5935-01-046-0263
NSN 4140-00-259-2567
NSN 6105-01-202-5744
NSN 6620-01-025-1443