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 5990-01-642-5748
NSN 2925-01-254-3068
NSN 5975-01-433-8939
NSN 5998-01-495-7510
NSN 5945-01-283-6011
NSN 5920-01-289-7619
NSN 5920-00-138-7645
NSN 6220-01-493-5613
NSN 5935-00-827-7492
NSN 6620-00-773-2931
NSN 5915-01-176-2048
NSN 6610-01-182-0089