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 5990-01-365-6016
NSN 6150-00-102-7881
NSN 5985-01-180-6848
NSN 5915-00-209-0423
NSN 4140-00-187-6086
NSN 6105-00-295-2335
NSN 6685-01-052-0716
NSN 6650-01-120-6231
NSN 6105-01-621-6350
NSN 6105-01-174-9326
NSN 5990-01-118-0151
NSN 6610-01-457-1974