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 6150-00-201-9583
NSN 5910-01-032-5525
NSN 5945-00-124-0062
NSN 6105-01-339-4318
NSN 2925-01-455-2558
NSN 5915-01-372-5381
NSN 5915-01-411-5355
NSN 6645-00-115-6657
NSN 5999-01-015-5399
NSN 6220-01-246-7534
NSN 6240-01-214-0308
NSN 6685-01-418-0925