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 5965-01-234-6844
NSN 6105-01-125-3792
NSN 6645-01-320-4138
NSN 5945-01-289-0940
NSN 6650-01-657-3933
NSN 4140-00-816-0603
NSN 6320-01-101-5816
NSN 5920-00-373-3636
NSN 5910-01-291-7671
NSN 6110-00-598-2574
NSN 6150-01-184-2895
NSN 6320-01-383-9979