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 5950-01-425-1174
NSN 5910-01-528-1109
NSN 7035-01-386-3004
NSN 6650-01-265-0650
NSN 5985-01-135-6439
NSN 5996-01-268-3404
NSN 5835-00-949-3018
NSN 5920-01-025-6989
NSN 5925-00-126-1489
NSN 5910-00-786-3600
NSN 6645-00-253-9617
NSN 6645-01-554-2871