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 6610-01-391-6781
NSN 6150-01-416-1751
NSN 5855-01-093-8202
NSN 4140-00-044-1329
NSN 6685-01-062-0900
NSN 5935-01-546-8023
NSN 5855-01-582-4594
NSN 6110-01-369-0882
NSN 6150-01-449-1841
NSN 5965-01-241-9865
NSN 5999-01-232-7615
NSN 6620-01-627-0478