M40

The abbreviations M40 , M 40 and M-40 denote, among other things:

• a double star in the constellation Great Bear (previously cataloged as Nebel Messier 40 ), see Winnecke 4
• a standardized lens thread, see M40 (lens connection)
• a sniper rifle, see M40 (rifle)
• a recoilless gun, see M40 recoilless gun
• an American self-propelled gun, see M40 GMC
• a class of German minesweepers from World War II, see minesweeper 1940
• a British motorway, see M40 motorway
• a street in the US state of Michigan, see M-40 (Michigan)
• the former French radio program, today RTL 2
• an engine series from the German motor vehicle manufacturer BMW, see BMW M40

This is a disambiguation page for differentiating between several terms identified with the same word.