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 5930-00-130-2587
NSN 5930-01-469-2218
NSN 2925-00-502-3768
NSN 5998-00-905-6220
NSN 5990-00-518-3195
NSN 5999-01-577-2020
NSN 5855-00-256-5562
NSN 5935-00-765-8845
NSN 5905-01-422-3229
NSN 6320-01-054-3046
NSN 6610-00-983-4482
NSN 6645-00-350-8070