SS-QT-RS2-ST
316 SS, QT Series Male BSPP Quick-test Adapter, 1/8 Male ISO Parallel Thread (RS) x 1/2-20 Male UNF thread
SS-QT-RS4-ST
316 SS, QT Series Male BSPP Quick-test Adapter, 1/4 Male ISO Parallel Thread (RS) x 1/2-20 Male UNF thread
SS-QT-RS6-ST
316 SS, QT Series Male BSPP Quick-test Adapter, 3/8 Male ISO Parallel Thread (RS) x 1/2-20 Male UNF thread