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 5996-01-594-6798
NSN 5960-01-108-8231
NSN 6150-01-443-1373
NSN 5996-00-129-6725
NSN 6645-00-947-0625
NSN 6650-01-067-0132
NSN 5895-00-932-5491
NSN 6130-01-036-3327
NSN 6105-00-080-5537
NSN 5996-00-368-9244
NSN 5996-01-352-7105
NSN 5855-01-180-5369