RPPOB —

Replenishment Parts Purchase or Borrow




DoD Instruction 4140.57 allows contractors to buy or borrow part-numbered items to reverse engineer at their own expense.  Contractors interested in the Reverse Engineering Program can submit their request on our Reverse Engineering Form.


For repeat customers seeking to access the RPPOB Reverse Engineering
Form directly, you may want to note  that you can reach the RPPOB Request
form directly from the Top Navigation by clicking the following tabular path: 

Doing Business With DLA > Customer Support > Replenishment Parts Purchase or Borrow - RPPOB

The contractor will physically examine the item; produce drawings and specifications through technical analysis performed during the reverse engineering process, and provide same for review.  The contractor and the Government agree when the borrowed part will be returned or a Source Approval Request (SAR) package will be provided to the Government.

Domestic business concerns may purchase, borrow, or view replenishment parts for the following purposes:

  Design replication, product improvement or modification, and alternate sourcing through product identification or reverse engineering practices;
  Development of data packages required to obtain approval to sell like parts to the government; and,
  Enhancement of competition with resultant cost reduction by obtaining alternative sources of supply and manufacturing.

The items in the Parts Catalog that have a minimum of $40,000 annual demand are on public display at DLA Aviation in Richmond, VA.  Breakdowns of each sole source item are shown in the Parts Catalog Spreadsheet.  Display room staff can show contractors how to view the DLA Internet Bid Board System (DIBBS) and other computer systems that allow them to see annual demand and other helpful information.  Please see our RPPOB Aviation Industrial Supply Day Conference - Display Supplier Brief.

The following general guidelines are provided to assist in developing a data package.  Additional information on reverse engineering is contained in MIL-HDBK-115, U.S. Army Reverse Engineering Handbook.  For Reverse Engineering, also see the new DoD Contractor's Guide to Value Engineering and the associated Advanced Engineering Data Guidance.  This is used in conjunction with the Aviation SAM (Source Approval and Management) Handbook. Federal Stock Classes (FSCs) managed by DLA Aviation:  These can be determined by visiting Federal Supply Class Assignments or Federal Supply Group / Federal Supply Class Search.  For questions concerning our Replenishment Parts Purchase Or Borrow Program eMail us at dscr.boc@dla.mil, call 804.279.3550, or FAX 804.279.4966.

Note: The RPPOB Program generally provides for both Sales and Loans of parts. However, electronic parts, ball/roller bearings, seals and rubber products may NOT be loaned out.  In order for a contractor to purchase or borrow a part they must be registered in AMPS. Use the following link to register: AMPS Registration Approval Process. To become a new supply source, see the fact sheet Steps-to-Follow.

  RPPOB: Overview
  RPPOB: AMPS Pre-Approval

  RPPOB: Steps-to-Follow Instructions
  RPPOB: Aviation Source Approval and Management Handbook Overview