The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of multiplexers, categorized under the NAICS code 334290 for Other Communications Equipment Manufacturing. The procurement requires compliance with various quality assurance and inspection standards, and it emphasizes the necessity for government source approval prior to award, which is critical for ensuring timely delivery to meet fleet support needs. Interested vendors must provide all required documentation as outlined in the NAVSUP WSS source approval brochure, which is available online, and can reach out to Taylor C. Kilkenny at 215-697-3606 or via email at TAYLOR.C.KILKENNY.CIV@US.NAVY.MIL for further inquiries. The solicitation details and deadlines for submission are crucial for potential bidders to note.