Metal connectors, fittings and couplings for hoses, pipes and flow lines; metal hydraulic hose and pipe connectors, fittings and couplings; metal pneumatic hose and pipe connectors, fittings and couplings; metal automatic air line couplings; metal hose and pipe adaptors for use with hose and pipe; metal hose and pipe assemblies incorporating any of the foregoing connectors, fittings and couplings; parts and accessories included in this class, namely, segmented metal coupling connectors and fl...