Brand: Jason Industrial B01E75TVWG

Sizes 1-1/2", 2",3",4"are manufactured to comply with Mil Spec A-A-59326A. They will interchange with any coupling manufactured to the same standard. Size 5" complies to an ASTM spec. It will interchange to any other coupling manufactured to the same spec. The 1/2" size is not specified to any Mil spec. Aluminum body features being lightweight, rigid and having high tensile strength. Female couplers are supplied with safety pins.