PRESSURE GAUGES, DIRECT MOUNTING, SPIRAL, BOURDON TUBE, FISHER CONTROLS,, MFR.: FISHER CONTROLS, USA, DIA SIZE : 1-7/8 IN., MATERIAL :, BOURDON TUBE : STAINLESS STEEL, BODY : S.S. OR BLACK ENAMEL, FINISHED STEEL CASE, DUAL SCALE : PSI – MPA & BAR, -CONNECTION : CENTER, BACK ENTRY, RANGE CONNECTION, PSI BACK EMNTY, 0 – 60 1/4” NPT, (MALE), REF. PN.: 11B9639X022