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 5855-00-235-2676
NSN 5998-01-153-7216
NSN 5855-01-088-8700
NSN 5930-01-642-9150
NSN 5915-00-121-1851
NSN 6145-01-106-9646
NSN 6145-01-377-5130
NSN 6220-01-615-4461
NSN 5895-01-279-5182
NSN 4140-00-727-3731
NSN 5999-01-415-1215
NSN 7035-01-107-2811