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 6645-01-618-1983
NSN 6685-00-291-7857
NSN 5960-00-671-4034
NSN 5915-01-586-7934
NSN 6220-00-312-2007
NSN 6650-00-992-4540
NSN 6110-00-643-4832
NSN 5915-00-322-4918
NSN 5965-01-655-5965
NSN 5960-01-133-8884
NSN 5996-00-446-3784
NSN 5910-01-344-7157