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 5999-01-278-8341
NSN 5965-01-028-6206
NSN 6220-00-317-9101
NSN 5905-01-381-3742
NSN 5905-01-388-2939
NSN 5965-00-605-8239
NSN 5975-00-698-9853
NSN 7035-01-271-1643
NSN 5920-01-519-8835
NSN 6650-00-195-7519
NSN 5895-01-086-4743
NSN 6135-01-210-8715