J4/J04, J-4/J-04 or J.4/J.04 may refer to:

In science and academia

ATC code J04 J04A Drugs for treatment of tuberculosis J04AA Aminosalicylic acid and derivatives :J04AA01 Aminosalicylic acid :J04AA02 Sodium aminosalicylate :J04AA03 Calcium aminosalicylate J04AB Antibiotics :J04AB01 Cycloserine :J04AB02 Rifampicin :J04AB0 ...

''Antimycobacterials'', a subgroup of the Anatomical Therapeutic Chemical Classification System *

Janko group J4 In the area of modern algebra known as group theory, the Janko group ''J4'' is a sporadic simple group of order : 22133571132329313743 : = 86775571046077562880 : ≈ 9. History ''J4'' is one of the 26 Sporadic groups. Zvoni ...

, in mathematics * S/2003 J 4, a natural satellite of Jupiter * J04 : acute

laryngitis Laryngitis is inflammation of the larynx (voice box). Symptoms often include a hoarse voice and may include fever, cough, pain in the front of the neck, and trouble swallowing. Typically, these last under two weeks. Laryngitis is categorised ...

and

tracheitis Tracheitis is an inflammation of the trachea. Although the trachea is usually considered part of the lower respiratory tract, in ICD-10 tracheitis is classified under "acute upper respiratory infections". Symptoms * Increasing deep or barking cr ...

ICD-10 code *

Square cupola In geometry, the square cupola, sometimes called lesser dome, is one of the Johnson solids (). It can be obtained as a slice of the rhombicuboctahedron. As in all cupolae, the base polygon has twice as many edges and vertices as the top; in t ...

, Johnson Solid number 4

In military

Mikoyan-Gurevich MiG-17 The Mikoyan-Gurevich MiG-17 (russian: Микоян и Гуревич МиГ-17; NATO reporting name: Fresco) is a high-subsonic fighter aircraft produced in the Soviet Union from 1952 and was operated by air forces internationally. The MiG-17 w ...

, Chinese designation of this Soviet-made aircraft is ''J-4'' *

HMAS J4 HMS ''J4'' (later HMAS ''J4'') was a ''J''-class submarine operated by the Royal Navy and the Royal Australian Navy. Design and construction The J class was designed by the Royal Navy in response to reported German submarines with surface sp ...

, an Australian Royal Navy submarine which saw service during World War I *

Junkers J 4 Junkers Flugzeug- und Motorenwerke AG (JFM, earlier JCO or JKO in World War I, English: Junkers Aircraft and Motor Works) more commonly Junkers , was a major German aircraft and aircraft engine manufacturer. It was founded there in Dessau, Ge ...

, a 1917 German sesquiplane format warplane * J4F was the U.S. Navy's designation for the

Grumman Widgeon The Grumman G-44 Widgeon is a small, five-person, twin-engined, amphibious aircraft. It was designated J4F by the United States Navy and Coast Guard and OA-14 by the United States Army Air Corps and United States Army Air Forces. Design and deve ...

seaplane.

In transportation

* Airmak J4, an Italian microlight aircraft design * Auster J-4, a 1946 British single-engined two-seat high-wing touring monoplane *

Morris Commercial J4 The Morris Commercial J4 was a 10 cwt (0.5 ton) forward-control van (driver's controls in front of front wheels) launched by Morris Commercial in 1960 and produced with two facelifts until 1974. The van was marketed first as both the Morris J4 ...

, van made from 1960 to 1974 under the marques of Morris initially, and later, Austin and BMC *

County Route J4 (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, Merce ...

, a road in the United States *

GS&WR Class J4 The Great Southern and Western Railway (GS&WR) was an Irish gauge () railway company in Ireland from 1844 until 1924. The GS&WR grew by building lines and making a series of takeovers, until in the late 19th and early 20th centuries it was the l ...

, a

Great Southern and Western Railway The Great Southern and Western Railway (GS&WR) was an Irish gauge () railway company in Ireland from 1844 until 1924. The GS&WR grew by building lines and making a series of takeovers, until in the late 19th and early 20th centuries it was the ...

Irish steam locomotive * JAC J4, a subcompact car *

Malaysia Federal Route J4 Malaysia ( ; ) is a country in Southeast Asia. The federal constitutional monarchy consists of thirteen states and three federal territories, separated by the South China Sea into two regions: Peninsular Malaysia and Borneo's East Malaysia. ...

, a major road in Johor, Malaysia *

Peterson J-4 Javelin The Peterson J-4 Javelin is an American, single seat, mid-wing glider that was designed by Max A. Peterson in the late 1960s and produced by the Peterson Sailplane Corporation in small numbers. The glider was type certified and put into produ ...

, glider *

Piper J-4 The Piper J-4 Cub Coupe is a two place side-by-side version of the Piper J-3 that was built between 1938 and 1942 by Piper Aircraft. It was Piper's first model with side-by-side seating; combined with docile low-speed handling, this made it a good ...

, a 1939 trainer aircraft *

Buffalo Airways Buffalo Airways is a family-run airline based in Yellowknife, Northwest Territories, Canada, established in 1970. Buffalo Airways was launched by Bob Gauchie and later sold to one of his pilots, Joe McBryan (aka "Buffalo Joe"). It operates charte ...

International Air Transport Association code *

GNR Class J4 The Great Northern Railway J4 Class was a class of 322 0-6-0 steam locomotives, introduced in 1882 designed by Patrick Stirling for goods traffic. Just over half of these were rebuilt by Nigel Gresley to a design by Henry Ivatt between 1912 an ...

, a class of British 0-6-0 steam locomotives * Washington Metropolitan Transit Authority route J4, a bus route that connected College Park, Maryland and Bethesda, Maryland

Other

* '' Jaws: The Revenge'', also known ''Jaws 4'' * Jarvan IV, a champion in ''

League of Legends ''League of Legends'' (''LoL''), commonly referred to as ''League'', is a 2009 multiplayer online battle arena video game developed and published by Riot Games. Inspired by ''Defense of the Ancients'', a Mod (video games), custom map for War ...

'' * Samsung Galaxy J4; a smartphone made by Samsung {{Letter-NumberCombDisambig