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.
NSN 5985-01-045-5480
NSN 5990-00-924-4167
NSN 6145-01-231-1395
NSN 5996-01-251-2561
NSN 6105-01-273-0596
NSN 7035-00-166-0339
NSN 5985-01-444-2309
NSN 6105-01-539-1615
NSN 5915-00-776-6496
NSN 6220-00-157-5009
NSN 5835-01-340-6955
NSN 6620-01-412-0938