35B-2BR7-90X53963B

LOW TEMPERATURE SHUTOFF (PNEUMATIC) MODEL 135-B,BRASS HEAD,BRONZE THERMAL ELEMENT; OPT-64: O-RING INSERTION SEAL WITH SET SCREW LOCKING GROOVE; BR/SST/CU INTERNAL TRIM,FLUOROSILICONE (FK) SEALS,SST SPRING WASHERS, INVAR ROD; SETPOINT CALIBRATION,-20 DEG F FULL OPEN; PER SPQ NUMBER 53963 OPT-55;CLEANED & PACKAGED FOR OXYGEN SERVICE PER CASHCO SPEC #S-1134;