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 6130-00-431-3852
NSN 5945-01-457-6061
NSN 5915-01-142-2018
NSN 5950-00-244-4581
NSN 5910-00-051-9447
NSN 5895-00-153-2595
NSN 6105-00-038-0683
NSN 5930-01-428-4258
NSN 5925-00-249-1287
NSN 5925-01-361-8836
NSN 5975-01-384-3723
NSN 4140-00-736-8813