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 5930-01-625-2641
NSN 6610-01-381-3181
NSN 6105-00-488-9418
NSN 6110-00-196-8813
NSN 2925-01-430-4206
NSN 5855-00-125-0780
NSN 6130-01-461-6255
NSN 5910-00-417-0825
NSN 5975-01-591-0825
NSN 6145-01-050-7531
NSN 6650-01-199-8589
NSN 6645-00-684-3424