MIL-STD-31000B : DOD Standard Practice Techincal Data Packages
The authoritative technical description of an item. This technical description supports the acquisition, production, inspection, engineering, and logistics support of the item. The description defines the required design configuration and/or performance requirements, and procedures required to ensure adequacy of item performance. It consists of applicable technical data such as models, engineering design data, associated lists, specifications, standards, performance requirements, quality assurance provisions, software documentation and packaging details.
See Also:
TDP Level, TDP Type, TDP Element, Item, Technical Data, Model, Engineering Design Data, Associated List, Standard, Quality Assurance Provisions
Alternate Definitions:

DAU - A technical description of an item adequate for supporting an acquisition strategy, production, engineering, and logistics support (LS). The description defines the required design configuration and procedures to ensure adequacy of item performance. It consists of all applicable TD such as drawings, associated lists, specifications, standards, performance requirements, quality assurance provisions (QAP), and packaging details.

MBE Maturity Index - A version-controlled, trusted computer file containing a product-related data set, along with a manifest and instructions for use, that one supply chain participant sends to another.