Model P5, Sales Kit A For Product Code: P52-S1A7-1A00C00NA, Rev A, Piston Sensing Single Stage Pressure Reducing Regulator; 1/4" Size, Cv=0.06; 316L Stainless Steel Body And Spring Chamber; FKM O-Ring, 316L Stainless Steel Piston, Seat Retainer, and Poppet; Inconel X-750 Poppet Spring, Port Configuration A; FNPT End Connection; 50-1500 PSIG Range Spring; No Outlet Gauge; No Inlet Gauge; Panel Mount; Special Clean Per Spec #S-1542