This procurement is set aside for small business distributors of specific approved sources for a Generator, Engine Accessory (NSN 2920-01-537-4207). The required quantity is 21 units, with an option for an additional 21 units, and delivery is FOB Destination with Military B packaging. Technical data is not government-owned and is unavailable. The solicitation includes a provision for a reverse auction, which may be used as a pricing technique after the solicitation closes. The location for performance of services is not specified.