M139 could refer to:
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M-139 (Michigan highway)
M-139 is a state trunkline highway entirely within Berrien County in the US state of Michigan. The highway starts at US Highway 12 (US 12) southwest of Niles and runs through rural areas of the county to terminate at an intersection ...
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Mercedes-Benz M139 engine
The M139 is a turbocharged inline-four engine produced by Mercedes-Benz. It is the successor of the M133 engine. It is also the first four-cylinder engine by AMG to be specified with two outputs, to be assembled by hand using "one man, one engine ...
* the US Army model number for the
Hispano-Suiza HS.820
The HS.820 was a 20 mm caliber autocannon developed by Hispano-Suiza primarily for aircraft use, but more widely used in a series of ground-based anti-aircraft guns. After Oerlikon purchased Hispano's armaments division in 1970, the HS.820 becam ...
20 mm autocannon
* the
Maserati M139 platform, a
front mid-engine, rear-wheel-drive automobile platform
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M139 bomblet
The M139 bomblet was an American sub-munition designed for use in warheads as a chemical cluster munition. Each spherical bomblet held of sarin nerve agent.
History
A spherical chemical cluster munition, the M134, had been developed for the ...
, a chemical cluster bomb for launch on a ground-to-ground rocket
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