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 6620-00-221-7608
NSN 6145-01-153-7908
NSN 6645-01-303-6792
NSN 6105-01-644-1029
NSN 5835-00-554-0399
NSN 5920-00-341-6340
NSN 5999-00-116-0511
NSN 6650-01-113-6689
NSN 6610-00-058-0900
NSN 6320-01-407-8663
NSN 5950-00-555-2881
NSN 6685-00-283-6107