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 6110-00-263-6664
NSN 5895-00-070-2997
NSN 4140-00-925-4149
NSN 2925-00-099-4030
NSN 5910-01-515-0338
NSN 6110-01-115-8405
NSN 5905-01-391-4983
NSN 5996-00-168-2702
NSN 2925-01-600-2309
NSN 2925-01-435-9057
NSN 5930-00-269-4996
NSN 5915-01-232-0860