# Request for Interested Manufacturers UP CONVERTER/DOWN CONVERTER Canonical: https://abierto.us/opportunities/sprwa127r0001 - Solicitation number: SPRWA1-27-R-0001 - Notice type: Sources sought - Status: Closed. Deadline was October 23, 2026 at 5:00 PM EDT - Department: Department of Defense - Agency: Defense Logistics Agency - Contracting office: DLA Aviation at Warner Robins, Ga (SPRWA1) - NAICS: 336413 Other Aircraft Parts and Auxiliary Equipment Manufacturing - Product or service code: 5895 Miscellaneous Communication Equipment - Place of performance: Warner Robins, Georgia - Who can bid, by location: Anywhere in the US. Location does not limit who can bid: a product shipped to the buyer, research at the performer's facility, or work at the contractor's site. A state shown is the delivery point. - County: Houston County (FIPS 13153). https://abierto.us/counties/houston-county-ga-13153 - City: Warner Robins. https://abierto.us/cities/warner-robins-ga-1380508 - First posted: October 8, 2026 - Last posted: October 8, 2026 - SAM.gov: https://sam.gov/workspace/contract/opp/77b30eff2469419eb94548dc6ed2e199/view ## Description SUBJECT: Market research is being conducted to identify potential sources that may possess the expertise, capabilities, and experience to meet the requirements for production of the following items: ITEM DESCRIPTION NSN: 5895-01-683-8777 Nomenclature: Double Mixer, UP CONVERTER Specification Control Drawing: 037-003066 Part Number: SM1138 (CAGE 60979) Estimated Quantity: 54 each NSN: 5895-01-683-8776 Nomenclature: Double Mixer, DOWN CONVERTER Specification Control Drawing: 037-003100 Part Number: SM1137 (CAGE 60979) Estimated Quantity: 36 each These items are used on the AN/ALQ-161 Electronic Warfare System installed on the B-1B aircraft. A redesign of these configurations and First Article Testing was successfully completed in 2024. This requirement is for production of the approved configurations. Impediment to Competition: The Original Equipment Manufacturer (OEM) is Spectrum Microwave (CAGE 60979), which maintains configuration control by part number. The Government possesses source control drawings but does not own the manufacturing-level Technical Data Package (drawings, schematics, or other releasable manufacturing data) for these items. As a result, Spectrum Microwave (CAGE 60979) is the only known source with adequate knowledge and possession of the required technical data and capabilities needed to produce these items and ensure compatibility with the higher-level assembly. INTEREST The DLA/AWB Contracting Office intends to award a sole source contract to Spectrum Microwave (CAGE 60979) to produce the Double Mixer Up Converter (NSN 5895-01-683-8777) and Double Mixer Down Converter (NSN 5895-01-683-8776) in support of the AN/ALQ-161 / B-1B program. Other interested parties may identify their interest and capability to respond to the requirement no later than (10/23/26) by emailing Kellen Miliner (kellen.miliner.1@us.af.mil). The Government intends to procure these items using Other Than Full and Open Competition as prescribed by FAR 6.302-1, Only One Responsible Source and No Other Supplies or Services Will Satisfy Agency Requirements. DISCLAIMER This sources sought synopsis is for informational purposes only. This is not a request for proposal. It does not constitute a solicitation and shall not be construed as a commitment by the Government. Responses in any form are not offers, and the Government is under no obligation to award a contract because of this announcement. No funds are available to pay for preparation of responses to this announcement. Any information submitted by respondents to this technical description is strictly voluntary. ## Open now in the same industry 538 open in NAICS 336413. - Repair of the Attitude Heading Reference System (AHRS) Applicable to the TH-1H Helicopter (FD20602700066), due November 1, 2026 at 4:00 PM EST. https://abierto.us/opportunities/fd20602700066 - Long Term Overhaul Contract for V-22 Swashplate Actuator (N0038327R0001), due November 2, 2026 at 12:00 AM EST. https://abierto.us/opportunities/n0038327r0001 - MH65 Hose (70Z03827QB0000005), due November 2, 2026 at 9:00 AM EST. https://abierto.us/opportunities/70z03827qb0000005 ## Publications - October 8, 2026: Sources sought, due October 23, 2026 at 5:00 PM EDT. Notice 77b30eff2469419eb94548dc6ed2e199. https://sam.gov/workspace/contract/opp/77b30eff2469419eb94548dc6ed2e199/view ## Points of contact - KELLEN MILINER, kellen.miliner.1@us.af.mil - NICOLE MINCEY, nicole.mincey@us.af.mil --- Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/sprwa127r0001.