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 6610-00-198-6870
NSN 5910-01-627-3266
NSN 5910-01-147-2345
NSN 6220-00-893-9776
NSN 6150-00-433-8831
NSN 6645-01-513-0117
NSN 6105-00-352-9481
NSN 6610-00-419-3154
NSN 5915-00-005-7140
NSN 6685-01-118-7117
NSN 6110-01-633-9660
NSN 6620-01-266-8894