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 5835-01-272-4087
NSN 6105-00-043-0310
NSN 5895-01-338-8007
NSN 5915-01-552-8989
NSN 6240-00-299-9819
NSN 5915-01-489-6185
NSN 6645-01-221-1324
NSN 6220-00-949-0024
NSN 5996-00-242-2523
NSN 5960-01-327-0334
NSN 5905-01-214-6647
NSN 5950-01-478-7381