M46 or M-46 most often refers to:
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M46 Patton, an American main battle tank
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Messier 46
Messier 46 or M46, also known as NGC 2437, is an open cluster of stars in the slightly southern constellation of Puppis. It was discovered by Charles Messier in 1771. Dreyer described it as "very bright, very rich, very large." It is about 5 ...
, an open star cluster in the constellation Puppis
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130 mm towed field gun M1954 (M-46)
The 130 mm towed field gun M-46 (russian: 130-мм пушка M-46) is a manually loaded, towed 130 mm artillery piece, manufactured in the Soviet Union in the 1950s. It was first observed by the west in 1954.
For many years, the M-46 ...
, a Soviet artillery piece
M46 or M-46 may also refer to:
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Volvo M46 transmission, a Volvo M45 (Four-speed) with an electric overdrive added
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M-46 (Michigan highway), a state highway in Michigan
* the 46th known
Mersenne prime
In mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form for some integer . They are named after Marin Mersenne, a French Minim friar, who studied them in the early 17th ...
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M1946 Sieg automatic rifle
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Halcón M-1943, an Argentine submachine gun
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Madsen M/50, a Danish submachine gun
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M46 (Cape Town), a Metropolitan Route in Cape Town, South Africa
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M46 (Johannesburg)
The M46 is a short metropolitan route in Greater Johannesburg, South Africa. It connects Tulisa Park in Johannesburg South with Springs via Germiston, Boksburg and Brakpan.
Route
The M46 begins at a junction with the M31 Road (Heidelber ...
, a Metropolitan Route in Johannesburg, South Africa
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M46 (Durban), a Metropolitan Route in Durban, South Africa
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