1C4-A367-1FX51214A

MODEL "BQ" BACK PRESS RELIEF REGULATOR, TFE GASKETS 1/2" INLETS,1/2" OUTLET; CF8M BODY & SPRING CHAMBER (OPT-36), CRYOGENIC CONSTRUCTION OPT-55: CLEANED FOR OXYGEN SERVICE PER SPEC #S-1134; S36 TRIM: 316SST WITH TFE SEAT,302SST DIAPHRAGM; NPT SCREWED; 140 - 210 PSIG SST RANGE SPRING; PER SPQ NUMBER 51214 PRODUCT TO BE INSPECTED BY SALES BEFORE PACKAGING; is the descirption