A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Nuts of iron or steel
NSN 5996-01-472-2112
NSN 5920-01-536-7173
NSN 5996-01-509-4874
NSN 2925-01-016-3111
NSN 6150-01-301-0255
NSN 6645-01-468-4990
NSN 6320-01-547-9877
NSN 6620-01-444-8261
NSN 5985-00-079-8671
NSN 5935-00-630-6333
NSN 5990-01-188-7309
NSN 2925-00-446-2447