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.
NSN 5915-01-517-0374
NSN 5935-01-598-5965
NSN 6685-01-526-8313
NSN 5905-00-799-8568
NSN 5975-00-317-5505
NSN 6620-01-223-9025
NSN 5930-00-660-3950
NSN 5835-01-381-9565
NSN 7035-01-253-9271
NSN 6620-01-495-7446
NSN 6110-01-633-9660
NSN 6620-01-432-7032