This Manual is reissued under the authority of DoD Instruction 5000. 2, 'Defense Acquisition Management Policies and Procedures, ' February 23, 1991. It prescribes the policies and procedures for implementing the DSP as required by Sections 2451 through 2457 of Title 10 of the United States Code. DoD 4120.3- M, 'Defense Standardization and Specification Program Policies, Procedures, and Instructions, ' August 1978, is hereby canceled. This Manual applies to the Office of the Secretary of Defense (OSD), the Military Departments, and the Defense Agencies (hereafter referred to collectively as 'the DoD Components'). this Manual is effective immediately and is mandatory for use by all the DoD components. It is designed for direct use at the standardization operating levels without supplementary instructions.