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 6685-00-404-6499
NSN 5985-01-473-2399
NSN 6220-01-364-8666
NSN 5925-01-262-0117
NSN 6320-01-441-2438
NSN 6645-01-184-7419
NSN 6220-01-224-6415
NSN 5835-01-412-0344
NSN 5985-01-571-4318
NSN 5985-00-467-1838
NSN 5855-01-360-6650
NSN 6220-01-104-7280