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 6220-01-581-7214
NSN 6650-00-104-5368
NSN 5920-01-588-0322
NSN 6610-00-434-7784
NSN 5925-01-249-9066
NSN 7035-01-604-9807
NSN 5960-01-210-6845
NSN 6150-01-043-5202
NSN 6650-00-999-3566
NSN 5998-01-333-2825
NSN 5985-01-106-3305
NSN 5930-01-112-8495