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 5996-00-106-6758
NSN 6130-01-101-5891
NSN 6620-01-106-3553
NSN 5985-01-381-0582
NSN 6650-01-318-1829
NSN 6685-01-069-7832
NSN 5965-00-479-9567
NSN 5920-01-588-3499
NSN 5975-00-879-8756
NSN 5930-00-270-7061
NSN 5998-01-484-7465
NSN 4140-00-193-0067