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This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin Japan Type ARMAMENT-Ammunition Physical Description 20mm type HO-5 armor-piercing tracer for army aircraft synchronized (Browning type) guns. Dimensions 3-D: 14.6 x 2.5cm (5 3/4 x 1 in.)
 Materials HAZMAT: primer (possibly)
Brass
Copper
Steel
 Inventory Number A19761409000 Credit Line Gift of John Schmitt. Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
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