The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Philadelphia, PA, is soliciting offers for the procurement of 12 units of Proximity Switch EL, classified under NAICS code 336413, which pertains to Other Aircraft Parts and Auxiliary Equipment Manufacturing. This procurement is critical as it requires FAA-certified parts that must possess an FAA Authorized Release Certificate, ensuring compliance with aviation safety standards. The solicitation is issued under Emergency Acquisition Flexibilities (EAF), and offers from non-government-approved sources will be deemed technically unacceptable. Interested vendors should submit their proposals, including any necessary documentation, to Keli Barish at KELI.BARISH@DLA.MIL, with a focus on adhering to the outlined requirements and deadlines.