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 5905-01-539-7441
NSN 6150-01-381-0879
NSN 5950-01-564-3482
NSN 5930-01-054-2643
NSN 6685-01-292-9772
NSN 6135-01-342-3859
NSN 6130-00-728-2439
NSN 5950-01-226-9441
NSN 5855-01-470-4079
NSN 7035-01-350-4247
NSN 6320-01-260-7390
NSN 5945-01-469-6287