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 6130-01-083-6337
NSN 5935-00-295-5455
NSN 7035-01-201-7152
NSN 6145-01-630-6932
NSN 5998-00-912-4188
NSN 6320-01-431-4359
NSN 5935-00-948-9625
NSN 5945-01-391-4999
NSN 6220-00-240-3300
NSN 5945-01-450-7020
NSN 5855-01-657-7657
NSN 5996-00-826-8837