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 6645-00-371-1861
NSN 5960-01-258-6708
NSN 5915-00-221-9610
NSN 6110-01-468-0428
NSN 5905-01-009-6365
NSN 5935-01-429-7637
NSN 5905-00-948-2650
NSN 5990-01-633-9503
NSN 5996-01-106-2763
NSN 5996-00-224-4413
NSN 6620-00-188-4201
NSN 5945-00-267-3036