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 5925-00-884-8567
NSN 6220-01-574-2727
NSN 4140-01-281-7706
NSN 2925-00-770-4713
NSN 6135-01-282-4326
NSN 5950-01-415-2466
NSN 5930-01-512-7027
NSN 6105-01-633-8975
NSN 2925-01-354-1752
NSN 5915-00-123-6722
NSN 6145-01-270-4940
NSN 5990-01-118-8624