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 5930-01-348-0156
NSN 5965-01-169-7861
NSN 6645-01-196-8616
NSN 6220-01-566-0976
NSN 5945-01-201-3914
NSN 5999-01-099-5187
NSN 5950-01-300-8522
NSN 6240-01-260-1266
NSN 5996-01-360-5635
NSN 5960-01-495-0859
NSN 5930-00-984-7597
NSN 5935-01-318-9750