B83 may refer to :
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B83 nuclear bomb
The B83 is a variable-yield thermonuclear gravity bomb developed by the United States in the late 1970s that entered service in 1983. With a maximum yield of , it has been the most powerful nuclear weapon in the United States nuclear arsenal ...
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HLA-B*83, an HLA-B serotype
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B83 (New York City bus)
The Metropolitan Transportation Authority (MTA) operates a number of bus routes in Brooklyn, New York, United States; one minor route is privately operated under a city franchise. Many of them are the direct descendants of streetcar lines (see li ...
in Brooklyn
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Sicilian Defence, Scheveningen Variation
In chess, the Scheveningen Variation of the Sicilian Defence is an opening that is a line of the Open Sicilian characterised by Black setting up a "small centre" with pawns on d6 and e6. There are numerous move orders that reach the Scheveningen; ...
, Encyclopaedia of Chess Openings code
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