No other part numbers with same form, fit, and function found.
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 5960-00-356-8744
NSN 6220-00-466-2681
NSN 6110-01-391-1892
NSN 6620-01-386-5914
NSN 6685-00-503-5088
NSN 5935-00-234-3314
NSN 4140-01-417-2611
NSN 5930-00-841-8051
NSN 5965-01-386-2988
NSN 6650-00-518-2962
NSN 6320-00-284-1524
NSN 7035-01-391-7470