The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Philadelphia, PA, is soliciting proposals for the procurement of signal processors, specifically classified under the NAICS code 334290 for Other Communications Equipment Manufacturing. The contract requires the delivery of four units that must meet stringent quality requirements, including FAA certification and compliance with various defense acquisition regulations, emphasizing the importance of newly manufactured spares over refurbished or remanufactured items. Interested vendors must ensure they are government-approved sources and submit their proposals electronically to the primary contact, Samuel Everett, at SAMUEL.EVERETT@DLA.MIL, with no drawings available for reference. The solicitation is part of a critical safety item procurement process, and offers must be submitted in accordance with the outlined specifications and deadlines.