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 6135-00-643-4843
NSN 6150-01-112-0391
NSN 5965-00-854-2075
NSN 5925-01-036-9421
NSN 5835-00-870-7034
NSN 6105-01-056-9800
NSN 6220-01-628-1346
NSN 6650-01-378-5435
NSN 5920-00-435-5999
NSN 6610-01-167-8747
NSN 6685-01-265-5107
NSN 6620-01-298-0991