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 5990-01-263-0362
NSN 5855-01-446-8197
NSN 6320-01-536-3077
NSN 5930-01-453-7804
NSN 6110-00-253-9523
NSN 6240-01-289-9898
NSN 5950-00-984-2954
NSN 5975-00-233-6301
NSN 6240-00-005-4869
NSN 6685-00-164-7014
NSN 6610-00-904-4839
NSN 5920-00-710-2781