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 4140-01-492-3258
NSN 5835-00-491-3834
NSN 5905-00-151-6653
NSN 5965-01-113-6654
NSN 5950-00-707-1243
NSN 5905-01-157-9794
NSN 7035-00-553-6951
NSN 2925-00-115-5857
NSN 5925-01-436-9833
NSN 5895-00-146-1809
NSN 6685-01-057-7509
NSN 5990-01-380-7815