WWII U.S. Army Air Forces Oxygen Pressure Gauge – General Electric AN-6021-1A – New Old Stock with Original Packaging (1945)

Step back in time with this pristine, new old stock (NOS) WWII-era oxygen pressure gauge, a rare find for collectors of military aviation history. Manufactured by General Electric on January 11, 1945, this Type AN-6021-1A low-pressure oxygen gauge (MFR’s Part No. M5718624, Serial No. AF-45-25704) was produced for the U.S. Army Air Forces (USAAF) during the final months of World War II. It remains in its original packaging, complete with kraft paper wrapping, protective Kimpack material, and detailed labeling, making it a true time capsule from the 1940s.

This gauge was designed to measure oxygen cylinder pressure in high-altitude aircraft, such as B-17 Flying Fortresses, B-24 Liberators, or P-51 Mustangs, ensuring aircrews had a reliable oxygen supply during missions over Europe or the Pacific. The gauge features a clear, 0–500 psi scale (with “FULL” at 400 psi) and is marked “Oxygen Cyl. Pressure” in bold lettering. Its “delicate instrument” labeling and instructions to test after storage reflect the military’s rigorous standards for life-support equipment.

Key Details:

• Manufacturer: General Electric Co. (Ontario, CA, and Bridgeport, CT)
• Date of Manufacture: January 11, 1945
• Serial Number: AF-45-25704 (indicating USAAF production in 1945)
• Order Number: 33-038-45-741P
• Condition: New old stock, unopened, with original packaging intact
• Packaging: Includes original kraft paper wrapping with GE logo, handling instructions, and protective materials

This gauge is a remarkable piece of WWII aviation history, perfect for display in a military collection, museum exhibit, or as a period-correct component for a vintage aircraft restoration project. Its NOS condition and complete packaging make it a rare find, offering a glimpse into the technology that supported Allied aircrews during the war. Don’t miss this opportunity to own a piece of history from the Greatest Generation!

Note: While theoretically functional if tested and calibrated, this gauge is sold as a collectible item and should not be used in modern aircraft without professional inspection.

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