Npt Thread: 1/8" Npt x 27 Tpi Female (Actual Nominal Thread Size 13/32") Npt Thread: 1/8" Npt x 27 Tpi Male (Actual Nominal Thread Size 13/32") Female to Male Npt Pipe Branch Tee Fitting Working Pressure for up to 1000 PSI @ -65F to +265F Forged Construction Brass material, very durable, will never rust Npt Thread: 1/8" Npt x 27 Tpi Female (Actual Nominal Thread Size 13/32") three sided branch T male pipe fittings are reusable and can be used for applications involving pneumatics, vacuum, and general fluid handling. Our brass fittings are an economical and durable solution to your piping and plumbing needs. In addition three way tee mpt fittings are also widely used in industrial manufacturing applications for lubrication, cutting fluid, coolant and oil delivery where impact and corrosion resistance is desired. Additional usage for other types of fluid transfer and handling non potable water, air and fuel.