Product Descriptions ◎WIDE APPLICATION: Brass female pipe fitting is always used in pressure washers, irrigation, fluid transfer, vacuum line, fuel pump, oil cooler, transmission, small and large engines and more. Replace part number 56101-04. ◎HINGH QUALITY MATERIAL: 56101-04 brass female pipe fitting is made of high quality and solid brass for corrosion resistance, high temperature ductility and low magnetic permeability, high strength, high hardness, operating temperatures range from -53 to 121 degrees C (-65 to 250 degrees F). .