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 5965-01-426-3191
NSN 6610-01-141-7014
NSN 6220-01-260-3734
NSN 5855-00-135-0797
NSN 5945-01-568-2991
NSN 5915-01-343-5255
NSN 6645-01-360-4562
NSN 6610-00-545-9886
NSN 5945-00-617-7194
NSN 5930-01-217-7074
NSN 4140-01-524-6966
NSN 5925-00-375-5468