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 5920-00-862-5820
NSN 5965-01-464-3372
NSN 5935-01-446-7510
NSN 5996-01-443-4713
NSN 6645-00-864-6794
NSN 6645-01-161-6926
NSN 6150-00-955-5549
NSN 6320-00-731-6134
NSN 6130-00-854-6193
NSN 5990-01-425-2175
NSN 6650-01-017-6716
NSN 5905-01-565-2213