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 7035-00-541-8516
NSN 6145-01-429-8529
NSN 5935-01-273-4392
NSN 5915-01-372-2369
NSN 5950-01-118-5017
NSN 5985-00-604-2919
NSN 6240-01-218-5187
NSN 6110-01-348-2951
NSN 5998-00-986-1080
NSN 6135-01-463-2445
NSN 7035-01-065-8703
NSN 5999-00-589-0777