M42
From Wikipedia, the free encyclopedia
M42 or M-42 may refer to:
In science:
- Messier 42 (M42), a nebula also called the Orion Nebula
In transportation:
- M42 motorway, a motorway in the United Kingdom
- BMW M42, an automobile piston engine
In photography:
- M42 lens mount, a standard for cameras
In firearms and military equipment:
- M42 Duster, a United States Army self-propelled anti-aircraft gun
- M42 (gas mask), a United States military gas mask
- M/42 (bicycle), a Swedish military bicycle
- 45 mm anti-tank gun M1942 (M-42), a Soviet anti-tank gun
- M42 Stahlhelm, a type of German WWII helmet
- M42, a Smith & Wesson hammerless revolver
In manufacturing:
- M42 grade of high speed steel with cobalt
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