NOTE: This artifact is no longer in the collection. It is shown for reference only.
Helium Pressure Regulator for the Space Shuttle Reaction Control System.
Controls helium pressure to the oxidizer tank (fuel tank version is similar).
Series redundant design (two pressure regulators assembled in series).
Rockwell part number MC284-0418-0001, serial number 0016.
Rated for inlet pressure of 4000 to 500 psi, regulated to 245 +/- 3 psi outlet pressure.
Designated for “Engineering Test Only.” (This probably means the design was revised. No history is available).
Original cost: $2,094.26
3.8 lbs. (1.7 kg)
Historic Space Systems at www.space1.com