J3, J03, J 3 or J-3 may refer to:
Roads
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County Route J3 (California)
There are 45 routes assigned to the "J" zone of the California Route Marker Program, which designates county routes in California. The "J" zone includes county highways in Alameda, Calaveras, Contra Costa, Fresno, Kern, Inyo, Mariposa, Merc ...
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Malaysia Federal Route J3
Submarines
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Junsen type submarine
The was a ship class of submarines of the Imperial Japanese Navy (IJN). There were four submarine designs of the Junsen type: Type J1 submarine, J1, a modified J1, Type J2 submarine, J2 and the Type J3 submarine, J3.
Class variants
The Junsen typ ...
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HMAS J3, an Australian submarine
Aircraft
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Junkers J 3, a German
Junkers aircraft
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J-3, a U.S. Navy airship
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Piper J-3
The Piper J-3 Cub is an American light aircraft that was built between 1938 and 1947 by Piper Aircraft. The aircraft has a simple, lightweight design which gives it good low-speed handling properties and short-field performance. The Cub is Pi ...
, a 1938 light aircraft
Other uses
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J3 perturbation, gravitational force caused by an imperfect symmetry north–south of an object being orbited
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J3 Operations Directorate, part of the US Joint Chiefs of Staff
* GS&WR Class J3, an
Irish steam locomotive
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Janko group J3
In the area of modern algebra known as group theory, the Janko group ''J3'' or the Higman-Janko-McKay group ''HJM'' is a sporadic simple group of order
: 273551719 = 50232960.
History and properties
''J3'' is one of the 26 Sp ...
, in mathematics
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Eupheme (temporarily designated S/2003 J 3), a satellite of Jupiter
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J3 League, Japanese football league
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Northwestern Air
Northwestern Air is an airline based in Fort Smith, Northwest Territories, Canada. It operates scheduled passenger services to seven destinations in two territories / provinces, as well as undertaking ad hoc charters and long term charter contr ...
IATA code
* J03: acute
tonsillitis
Tonsillitis is inflammation of the tonsils in the upper part of the throat. It can be acute or chronic. Acute tonsillitis typically has a rapid onset. Symptoms may include sore throat, fever, enlargement of the tonsils, trouble swallowing, and en ...
ICD-10 code
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Triangular cupola
In geometry, the triangular cupola is one of the Johnson solids (). It can be seen as half a cuboctahedron.
Formulae
The following formulae for the volume (V), the surface area (A) and the height (H) can be used if all faces are regular, ...
, Johnson Solid number 3
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Samsung Galaxy J3; a smartphone by Samsung
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J3 battlecruiser, a British military vessel design from 1920s
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