DD Form 1664, Data Item Description is a form containing a description of a data item to be delivered by a Department of Defense (DoD) contractor. This form specifically defines the data content, format, and intended use of the data with a primary goal of achieving standardization objectives set by the DoD.
The latest release of the form - sometimes incorrectly referred to as the DA Form 1664 - was introduced by the DoD in August 1996. The most recent DD Form 1664 PDF version is available for download below. As of today, no free copies of the form can be downloaded from the Executive Services Directorate website.
The DD Form 1664 cannot contain requirements for the performance of work tasks that may result in the generation of data. This information should be listed in the contract statements of work. The acceptance of inspection designations should also not be included in the form, however, the form might contain the evaluation criteria for acceptance of this data.