A nut having 1 convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. See also nut (1), plain, cone seat, hexagon.
Classification: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons
NSN 5960-00-536-1535
NSN 5855-00-763-2155
NSN 6240-01-461-0296
NSN 5990-01-331-9438
NSN 4140-01-441-8568
NSN 5945-00-797-4897
NSN 5920-01-290-3771
NSN 6320-01-558-2141
NSN 5985-00-518-1748
NSN 5855-01-483-2774
NSN 6320-01-181-9474
NSN 5930-00-484-2471