MODEL "P1", SINGLE STAGE PRESSURE REDUCING REGULATOR 1/4" SIZE, CV=0.06; 316L SST BODY, 316L SST SPRING CHAMBER; 302 SST W/TEFZEL RING DIAPHRAGM,PCTFE SEAT,316L SST SEAT RETAINER,316L SST POPPET,INCONEL X-750 POPPET SPRING,PORT CONFIGURATION "C"; FNPT END CONNECTION; 2-100 PSIG RANGE SPRING; 0-100 PSIG OUTLET GAUGE; NO INLET GAUGE; CAPTURED VENT; CLEANED FOR OXYGEN SERVICE PER SPEC #S-1134; SELF-RELIEVING;