SS-QT-CH-ST
316 SS, QT Series DP Transmitter Calibration Adapter, Applicable to Honeywell Pressure Transmitters, 1/4-28 Male UNF thread x 1/2-20 Male UNF thread
SS-QT-CR-ST
316 SS, QT Series DP Transmitter Calibration Adapter, Applicable to Foxboro, Rosemount and Yokagawa, 5/16-24 Male UNF thread x 1/2-20 Male UNF thread