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 6130-01-602-2031
NSN 6685-00-513-4971
NSN 6150-01-374-9889
NSN 5895-01-120-1359
NSN 5925-00-601-3126
NSN 5925-01-100-4029
NSN 5910-01-309-9664
NSN 5998-00-518-8565
NSN 5998-00-923-2361
NSN 6105-01-422-1336
NSN 5990-01-463-5400
NSN 6220-01-360-9659