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 5935-01-231-9929
NSN 6240-01-159-5043
NSN 5996-00-349-8885
NSN 6240-01-070-8612
NSN 5975-01-149-2006
NSN 5905-01-146-4352
NSN 6645-01-529-8822
NSN 5835-01-363-4527
NSN 5895-01-574-8311
NSN 5965-01-415-2898
NSN 6110-01-566-9914
NSN 6105-01-525-8112