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 6240-00-350-9508
NSN 5905-01-270-8064
NSN 5910-00-411-6976
NSN 6145-00-614-9302
NSN 6220-01-374-2235
NSN 5945-00-973-6674
NSN 5935-01-618-5955
NSN 6620-01-364-0195
NSN 6685-01-208-4874
NSN 5999-01-148-7046
NSN 5855-01-504-0645
NSN 5945-00-622-9906