A5

A5 and variants may refer to:

• A5 regulatory sequence in biochemistry
• A5, the abbreviation for the androgen Androstenediol
• Annexin A5, a human cellular protein
• ATC code A05 Bile and liver therapy, a subgroup of the Anatomical Therapeutic Chemical Classification System
• British NVC community A5 (Ceratophyllum demersum community), a British Isles plants community
• Subfamily A5, a Rhodopsin-like receptors subfamily
• Noradrenergic cell group A5, a noradrenergic cell group located in the Pons
• A5 pod, a name given to a group of orcas (Orcinus orca) found off the coast of British Columbia, Canada
• A5, the strain at fracture of a material as measured with a load test on a cylindrical body of length 5 times its diameter
• A₅, the alternating group on five elements
• Zeolite A-5, a calcium-type molecular sieve also known as 5A.

• Apple A5, the Apple mobile microprocessor
• ARM Cortex-A5, ARM applications processor

• A5 (classification), an amputee sport classification
• A5 grade (climbing)
• A5, an aid climbing gear manufacturer - absorbed by The North Face
• A05, Réti Opening Encyclopaedia of Chess Openings code
• A-5, a common shorthand name for the Browning Auto-5 shotgun
• Gibson A-5 mandolin, a Gibson mandolin
• Tippmann A-5, a semi-automatic pneumatic marker for playing paintball
• A5, an Atlanta-based volleyball club

• Arrows A5, a 1982 British Formula One racing car
• Audi A5, a 2007–present German compact executive car
• Chery A5, a 2006–2010 Chinese compact sedan
• Soueast A5, a 2019–present Chinese compact sedan
• Sehol A5, a 2019–present Chinese compact sedan, formerly JAC Jiayue A5

• A5 road, in several countries
• Hall-Scott A-5, an engine powering the 1916 Standard H-2 aircraft
• Prussian A 5, a 1913 German railbus
• Route A5 (WMATA), a bus route operated by the Washington Metropolitan Area Transit Authority
• Airlinair, by IATA code
• Bhutan, by aircraft registration code
• ICON A5, an American amphibious aircraft
• Pennsylvania Railroad class A5s, an American locomotive
• Finnish Steam Locomotive Class A5
• LNER Class A5, a class of 4-6-2T steam locomotives

• A-5, an export version of Nanchang Q-5, a Chinese-built jet fighter bomber
• Curtiss Falcon or A-5 Falcon, an attack aircraft manufactured by the Curtiss Aircraft Company
• Mitsubishi A5M, a 1930s Japanese fighter plane
• A-5 Vigilante, a carrier-based supersonic bomber designed for the United States Navy
• Focke-Wulf A 5, a World War I German Focke-Wulf aircraft
• Sturzkampfgeschwader 1, from its historic Geschwaderkennung code with the Luftwaffe in World War II

• USS A-5 (SS-6) or USS Pike (SS-6), a 1903 United States Navy Plunger-class submarine
• HMS A5, an A-class submarine of the Royal Navy
• Aggregate 5, a German rocket design, scaled down precursor to the V-2, in World War II
• A 5, a Swedish regiment designation, see list of Swedish artillery regiments
• A5, the staff designation for air force headquarters staff concerned with plans or strategy
  • In the United Kingdom, the Joint Force Air Component Headquarters A5 - Air Strategy and GAT branch
• A5 Juggernaut, an armored fighting vehicle in the Star Wars fictional universe

• A5 paper size, an ISO 216 international standard paper size (148 × 210 mm)
• A5, the highest grade of Japanese wagyu beef
• In Town and country planning in the United Kingdom, A5 is the code for permission to use specific land or premises for takeaways

• A5/1, A5/2 and A5/3, ciphers used in cellular phones
• AV (disambiguation)
• Alpha 5 (disambiguation) (α5 / Α5)
• All pages with titles beginning with A5
• All pages with titles containing A5

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