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 6135-01-066-6904
NSN 6645-01-629-9657
NSN 5930-01-365-8162
NSN 6220-00-257-5183
NSN 5835-01-566-5462
NSN 5945-01-148-5405
NSN 5910-01-361-1917
NSN 6320-01-425-1417
NSN 5975-01-003-7496
NSN 6620-01-471-8128
NSN 6650-01-096-0655
NSN 5835-00-518-4507