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 6105-01-182-2913
NSN 5925-01-189-1869
NSN 2925-01-359-4027
NSN 5915-00-473-9299
NSN 6620-00-325-4693
NSN 5996-00-270-0340
NSN 5960-00-401-0794
NSN 6220-01-125-8331
NSN 5996-01-341-0828
NSN 5910-01-391-8022
NSN 5835-00-992-7015
NSN 5895-01-603-9630