This procurement covers 7 each of NSN 6610-014160649, an Indicator, Trim, Cont. for the C-17A aircraft, with delivery required 129 days after receipt of order. Approved sources are Boeing (P/N 17B1U4010-1) and Parker-Hannifin (P/N 265-052-002), and while the action is technically unrestricted, the government intends to solicit and negotiate solely with these approved sources. Award may be based on a combination of price, past performance, and other evaluation factors, with FOB Origin and Inspection/Acceptance at Destination. The agency lacks data to evaluate alternate products, so offerors must submit drawings and data demonstrating their product is equal to the cited parts. Interested parties may express interest and capability, and the solicitation will be available via DIBBS.