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 5915-01-150-8073
NSN 5920-01-016-0333
NSN 5945-01-078-3437
NSN 5965-01-386-2988
NSN 5965-00-391-0562
NSN 5935-00-408-9100
NSN 5990-00-956-9130
NSN 5915-00-206-0086
NSN 6220-01-226-1776
NSN 6320-00-343-1798
NSN 6110-00-632-0229
NSN 5925-01-472-9844