From the notice

DLA Weapons Support- Mechanicsburg is considering a solicitation and subsequent award of a 5 year IDIQ Contract for the item described below. DLA is seeking sources capable of supplying the following items: Item: GENERATOR;FUNCTION, NSN: 7050 016775004, PN: 33521BN AMC Code: 3R 3: Acquire, for the second or subsequent time, directly from the manufacturer. R: The Government does not own the data or the rights to the data needed to purchase this part from additional sources. It has been determined to be uneconomical to buy the data or rights to the data. It is uneconomical to reverse engineer the part. This code is used when the Government did not initially purchase the data and/or rights. It is anticipated that the resulting solicitation and contract will incorporate DLAD Procurement Note L27 (Addition and Deletion of Items). The Government currently estimates a potential total contract ceiling of up to $8,000,000 over a five-year period. THE SOURCES SOUGHT NOTICE IF FOR INFORMATIONAL PURPOSES ONLY. THIS IS NOT A REQUIREMENT FOR PROPOSAL. IT DOES NOT CONSTITUTE A SOLICIATION AND SHALL NOT BE CONSTRUED AS A COMMITMENT BY THE US GOVERNMENT. NO FUNDS ARE AVAILABLE TO PAY FOR THE PREPARATION OF RESPONSES TO THIS NOTICE. ANY INFORMATION SUBMITTED BY RESPONDENTS TO THIS NOTICE IS STRICTLY VOLUNTARY.