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 6105-00-904-9729
NSN 5999-01-433-4265
NSN 5920-00-987-1605
NSN 6150-01-459-4871
NSN 4140-01-037-1867
NSN 5999-01-532-3517
NSN 6620-01-332-9664
NSN 5915-01-414-5205
NSN 5910-01-155-8664
NSN 6145-00-781-2314
NSN 5950-01-606-9819
NSN 6150-00-199-8764