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 5930-01-254-1825
NSN 6645-00-559-3623
NSN 5975-00-869-0688
NSN 5855-01-615-3415
NSN 4140-00-152-7092
NSN 5950-01-654-0634
NSN 5960-01-375-1905
NSN 5835-00-196-9771
NSN 6685-01-397-0117
NSN 6645-00-102-0015
NSN 5895-00-408-0398
NSN 5975-01-042-8693