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 6105-01-570-0351
NSN 5905-01-325-7391
NSN 5935-01-261-1538
NSN 5925-01-386-3178
NSN 5996-01-560-9455
NSN 5920-00-378-1395
NSN 5920-01-213-8179
NSN 6105-01-418-1877
NSN 7035-00-371-7749
NSN 6620-01-502-7105
NSN 6685-01-120-1102
NSN 5910-00-203-4380