The Navy lacks the technical data needed to produce this item, and its spares are determined sole source, with only sources approved by the In-Service Engineering Activity eligible for consideration. To become an approved repair source, a company must be certified as a Depot Overhaul Point and submit a Source Approval Request-Maritime for NAVSEA ISEA engineering review, which can be lengthy. Offers for remanufactured, surplus, or repaired items will be deemed nonresponsive. The proposed single-source acquisition under FAR 6.302-1 may include FAR 52.217-6 Option for Increased Quantity, award requires meeting qualification requirements at time of award, and FAR Part 12 commercial-item policies are not being used. The item is NSN 4820010822708, a linear direct valve, quantity 1 EA, delivered to DLA Distribution New Cumberland, PA 17070.