SS-QT-NS4-ST
316 SS, QT Series Male NPT Quick-test Adapter, 1/4 Male NPT x 1/2-20 Male UNF thread
SS-HQT-NS4-XT
316 SS, HQT Series High Pressure Quick-test Fitting, 1/4 Male NPT x 9/16-12 Male UNC thread
SS-HQT-NS4-XT-PC
316 SS, HQT Series High Pressure Quick-test Fitting, 1/4 Male NPT x 9/16-12 Male UNC thread, with Protective Cap