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 5965-01-505-3716
NSN 5935-01-189-0869
NSN 6650-00-400-2625
NSN 5965-01-080-4021
NSN 6145-01-132-0589
NSN 6650-01-437-6805
NSN 6645-01-036-5027
NSN 5945-01-650-1812
NSN 5996-01-555-0708
NSN 6110-01-056-4378
NSN 5930-01-224-5483
NSN 6220-01-583-4512