MIL-STD-31000B : DOD Standard Practice Technical Data Packages

TDP levels provide for a natural progression of a design from its inception to production. A particular TDP level may be ordered to define a conceptual design, a developmental prototype or limited production design, or full scale production of the item by the original design activity or any other capable manufacturer. TDPs consist of one of three Levels: (1) Conceptual Level (2) Developmental Level (3) Production Level

See Also:

Technical Data Package, TDP Type, Item, Original Design Activity