This 20mm M39A3 Tongue Operating Slide represents a vital piece of mid-20th-century military innovation, showcasing the precision engineering that powered U.S. air superiority during the Cold War. Whether for restoration, historical study, or display, it’s a tangible connection to the technology that defined an era.
See more information below...
Upgrade your collection or restoration project with this New Old Stock (NOS) 20mm M39A3 Tongue Operating Slide, part number 8401753, Federal Stock Number 1005-840-1753, and National Stock Number 1005-01-012-9528. Despite light surface rust, this component is preserved in functional condition, offering a rare opportunity to own an essential part of the iconic M39A3 20mm automatic cannon.
Key Features:
Critical Role in Firing Mechanism: The tongue operating slide is a vital part of the M39A3’s operational assembly, ensuring proper cycling and precision during high-rate firing. Its robust design allowed the cannon to function reliably even in challenging combat conditions.
Historical Relevance:
The M39A3 20mm cannon, an evolution of the M39 series, was integral to U.S. military aviation and mounted on numerous Cold War-era jet fighters, including the F-86 Sabre, F-100 Super Sabre, and F-5 Freedom Fighter.
Known for its high rate of fire and accuracy, the M39A3 was a workhorse for air-to-air combat and ground support roles. Components like the tongue operating slide ensured seamless performance under demanding operational scenarios.
The M39 series’ design was adapted from the German Mauser MG 213C, reflecting a focus on innovation and adaptability in post-World War II armament engineering.
Condition: Although light surface rust is present, this NOS component remains structurally sound and is an excellent candidate for cleaning, restoration, or display. Its authentic condition enhances its value for collectors and restorers seeking historically accurate parts.
Product Details:
Condition: New Old Stock with light surface rust
Part Number: 8401753
FSN: 1005-840-1753
NSN: 1005-01-012-9528
Compatibility: Specifically designed for the M39A3 20mm automatic cannon
Collector’s Appeal: Perfect for aviation historians, Cold War-era weapon system restorers, and collectors of vintage military hardware
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.
Please visit our page about order lead times here: Order Lead Times
