This 20mm M2/M3 Sear Shaft is a rare and valuable piece of military engineering, reflecting the precision and innovation that defined mid-20th-century weaponry. Whether for functional restoration or historical study, it offers a direct connection to the technology that powered U.S. air superiority during World War II and the Cold War.
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Secure a vital component of aviation and military history with this New Old Stock (NOS) 20mm M2/M3 Sear Shaft, part number A-207141. Designed for the legendary 20mm M2 and M3 automatic cannons, this sear shaft is a key part of the firing mechanism, ensuring smooth and reliable operation under demanding conditions.
Key Features:
Essential for Firing Mechanism Operation: The sear shaft serves a critical role in the firing assembly of the M2/M3 cannons, connecting and stabilizing the components necessary for precise and consistent cycling during high rates of fire.
Historical Relevance:
The 20mm M2 and M3 automatic cannons were based on the Hispano-Suiza HS.404 design, which was adopted to provide heavier firepower than the .50 caliber Browning machine gun. Despite early reliability issues, the M2 and M3 series saw extensive use on U.S. aircraft during World War II and beyond.
Aircraft like the Lockheed P-38 Lightning, P-51 Mustang, and several naval fighters relied on the M2/M3 for their air-to-air and air-to-ground capabilities. The M3 variant introduced improvements in firing rate and reliability, addressing many of the early concerns.
The challenges and advancements surrounding the M2 and M3 cannons highlight the evolving nature of wartime aviation technology, with components like the sear shaft playing a crucial role in operational success.
New Old Stock Condition: This sear shaft is preserved in its original, unused state, ensuring its historical authenticity and suitability for restoration projects, educational displays, or military collections.
Product Details:
Condition: New Old Stock, unused and well-preserved
Part Number: A-207141
Compatibility: Designed for use in the 20mm M2 and M3 automatic cannons
Collector’s Appeal: Perfect for military historians, restorers, and collectors of vintage aviation and artillery systems
This item is new/old stock but may have some storage and handling wear.
Pictures are stock images of our inventory. Unless otherwise noted, you will not be receiving the exact item shown in the pictures. The pictures are representative of the item's general condition. The item you receive might be slightly better, or worse, condition than was shown in the pictures.
We currently do not have pictures of this item restored.
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