The Department of Defense, through the Defense Logistics Agency (DLA) Aviation at Philadelphia, PA, is soliciting proposals for the procurement of antenna selectors, classified under the NAICS code 334220. The procurement requires compliance with various quality assurance and inspection standards, including the provision of FAA-certified parts for aftermarket items, emphasizing the critical nature of the supplies for defense operations. Interested vendors must ensure they are government-approved sources of supply and submit proposals electronically to the primary contact, Michael Offenbacker, at MICHAEL.OFFENBACKER@DLA.MIL, with specific attention to the detailed requirements outlined in the solicitation.