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 6650-00-796-9972
NSN 5960-01-521-6865
NSN 6650-01-617-0888
NSN 5965-01-593-9931
NSN 6685-01-221-2961
NSN 6685-00-156-3054
NSN 5965-00-455-7581
NSN 5835-00-649-9402
NSN 6135-01-176-2206
NSN 6320-01-296-3181
NSN 6150-01-004-3105
NSN 6150-01-659-6302