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 5985-00-244-1693
NSN 6240-01-129-1688
NSN 5950-00-371-1067
NSN 5915-01-205-7498
NSN 5975-01-044-5269
NSN 5960-00-140-9583
NSN 5960-01-391-0643
NSN 6220-01-187-1028
NSN 5935-01-078-2406
NSN 6105-01-006-7069
NSN 5945-01-255-2097
NSN 6220-01-274-7788