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 2925-01-020-5099
NSN 6220-00-199-9401
NSN 5915-01-115-5120
NSN 7035-01-543-0236
NSN 6105-01-177-6619
NSN 6130-00-008-5144
NSN 6105-01-550-4822
NSN 5855-01-409-1792
NSN 5925-00-067-3814
NSN 5990-01-299-2014
NSN 5835-00-019-1816
NSN 5915-01-225-1355