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 5975-01-363-9453
NSN 5935-01-554-9736
NSN 5975-01-607-0742
NSN 6320-01-144-3810
NSN 5905-00-922-7220
NSN 6240-00-617-9599
NSN 5945-00-475-8107
NSN 6105-00-594-2006
NSN 6105-01-263-7234
NSN 5910-01-258-4887
NSN 6320-01-029-4220
NSN 5996-00-542-3997