Oxygen, Gas Regulator, CGA-540, Single Stage, Brass, 0 to 125 psi/ BODY MATERIAL: BRASS SPECIFIC GAS FOR WHICH DESIGNED: OXYGEN STAGE TYPE: SINGLE CYLINDER PRESSURE GAGE: INCLUDED PART NAME ASSIGNED BY CONTROLLING AGENCY: REGULATOR, OXYGEN, CGA-540 SINGEL STAGE BRASS 0 TO 125PSI SPECIAL FEATURES: GAS REGULATOR, REGULATOR SUPPLY TYPE: CYLINDER, GAS SERVICE: OXYGEN, STAGES, SINGLE STAGE; INLET CONNECTION CGA-540; OUTLET CONNECTION 9/16"-18 RH;D ELIVERY PRESSURE RANGE 0 TO 125 PSI; GAUGE SIZE 2 1/2", SUPPLY PRESSURE GAGE 4000PSI; MAX INTEL PRESSURE 3000 PSI; BODY MATERIAL BRASS; BODY DIA. 2.75"; STANDARDS: UL LISTED, CGA E-4; REGULATOR APPLICATION: GENERAL PURPOSE.