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 6320-00-731-6134
NSN 6135-00-134-6648
NSN 5945-01-300-0489
NSN 5965-01-241-9865
NSN 5998-01-203-1948
NSN 6150-01-531-8221
NSN 6105-00-156-9084
NSN 6685-00-429-0514
NSN 6130-01-357-0551
NSN 2925-01-131-8761
NSN 5998-00-932-5322
NSN 2925-00-816-8765