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 5935-01-550-5853
NSN 6610-00-754-5124
NSN 6110-00-688-5043
NSN 6685-01-126-5438
NSN 6610-01-003-9763
NSN 6610-01-107-2658
NSN 6145-01-350-3532
NSN 6620-01-495-7446
NSN 5915-01-280-5463
NSN 6320-01-271-0247
NSN 5930-01-112-0157
NSN 5915-01-174-5623