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: Nuts of iron or steel
NSN 6145-01-311-8785
NSN 5999-01-406-3161
NSN 6145-01-087-2046
NSN 5935-01-461-3016
NSN 2925-00-495-8130
NSN 6650-00-912-4229
NSN 7035-01-421-4446
NSN 5930-01-479-3244
NSN 6240-01-433-5413
NSN 6150-00-421-3227
NSN 6135-01-230-4399
NSN 4140-01-559-2781