DOD INSTRUCTION 4151.21
P
UBLIC-PRIVATE PARTNERSHIPS FOR PRODUCT SUPPORT
Originating Component: Office of the Under Secretary of Defense for Acquisition,
Technology, and Logistics
Effective: November 21, 2016
Change 2 Effective: November 1, 2017
Releasability: Cleared for public release. Available on the Internet from the DoD
Issuances Website at http://www.dtic.mil/whs/directives.
Cleared for public release. This instruction is available on the
Directives Division Website at http://www.esd.whs.mil/DD/.
Reissues and Cancels: DoD Instruction 4151.21, “Public-Private Partnerships for Depot-
Level Maintenance,” April 25, 2007
Approved by: Frank Kendall, Under Secretary of Defense for Acquisition,
Technology, and Logistics
Change 2 Approved by: Judy Dahlgren, Director for Administration, for the Under
Secretary of Defense for Acquisition, Technology, and Logistics
Purpose: In accordance with the authority in DoD Directive 5134.01, this issuance:
• Implements policy to execute effectively public-private partnerships (PPPs), as authorized by
Title 10, United States Code (U.S.C.).
• Assigns responsibilities and provides procedures for the Military Departments for the
implementation of PPPs pursuant to DoD Directive 4151.18 and DoD Directive 5000.01.