Offered here is a new old stock 20mm M39 Guide Link (Left Hand), an original U.S. military surplus component for the M39 aircraft revolver cannon. This guide link is identified by Part Number 7184397 and National Stock Number (NSN) 1005-00-718-4397. While this part has never been used, it does exhibit some light surface rust due to long-term storage conditions.

The M39 20mm revolver cannon was a Cold War-era aircraft autocannon developed by Springfield Armory and deployed across multiple U.S. Air Force fighter platforms, including the F-86 Sabre, F-100 Super Sabre, and F-5 Freedom Fighter. Renowned for its high rate of fire and accuracy, the M39 utilized a recoil-operated, gas-rotated chamber system capable of delivering up to 1,500 rounds per minute. The guide link is a vital structural element in the ammunition feed system, ensuring reliable alignment and feeding of linked 20×102mm rounds.

Product Specifications:

Condition: New Old Stock with Surface Rust
Orientation: Left Hand
Part Number: 7184397
NSN: 1005-00-718-4397
Compatibility: M39 20mm revolver cannon
Application: Ammunition feed path alignment component

Historical Significance:

The M39 cannon was the first successful U.S. adaptation of a revolver-style aircraft cannon, modeled on German WWII designs. Its introduction represented a leap forward in jet-age aerial firepower. Components like the left-hand guide link played an essential role in supporting the weapon’s mechanical reliability under high-stress conditions.

Ideal For:

M39 cannon restoration or parts inventory
Cold War-era aircraft ordnance displays
U.S. Air Force aviation collectors
Educational collections and military museums
Spare part sourcing for M39-compatible mounts and displays

Own an authentic piece of Cold War aircraft armament history. This 20mm M39 Left-Hand Guide Link is a rare find—perfect for restoration or historical display.

Approx length 2", Approx width 1.5", Approx height .3", Approx weight .2lbs.

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.

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