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 5855-01-605-9627
NSN 5835-01-328-6626
NSN 6685-00-543-1409
NSN 5915-00-723-8269
NSN 6150-01-375-8666
NSN 5996-00-759-6248
NSN 5915-01-170-0509
NSN 5835-01-167-1824
NSN 6620-01-391-1920
NSN 5855-01-648-6329
NSN 7035-00-553-6951
NSN 6150-00-288-6245