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 6650-01-496-8962
NSN 5945-00-269-5375
NSN 5999-00-960-8232
NSN 6145-01-189-7622
NSN 5910-01-356-7548
NSN 5999-01-287-5044
NSN 5998-01-602-7847
NSN 5920-00-834-0138
NSN 5985-01-109-8321
NSN 6685-01-293-1961
NSN 5895-01-193-8884
NSN 5950-01-478-0215