MC4-XXXK-57330AC

MODEL "4381" CRYOGENIC PRESSURE REDUCING REGULATOR,TFE GASKET/O-RING 1/2" SIZE; SALES KIT A; SPECIAL BODY & SPRING CHAMBER MATERIAL; SPECIAL TRIM MATERIAL; NPT SCREWED; 130-200 PSIG SST RANGE SPRING; PER SPQ NUMBER 57330 WITH HASTELLOY C-276 BODY & 316L SST SPRING CHAMBER; SPECIAL HAST. C TRIM; HAST. C WITH TFE SEAT, 302 SST DIAPHRAGM W/ HAST. C DIAPHRAGM COVER;