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 6220-00-445-9284
NSN 5998-00-824-2853
NSN 5996-00-222-6049
NSN 5975-00-978-9078
NSN 5835-00-238-1516
NSN 5975-01-283-2682
NSN 5945-00-956-3560
NSN 5915-01-645-4809
NSN 5910-01-398-9568
NSN 4140-01-426-5200
NSN 6610-01-154-7949
NSN 5920-00-626-3287