The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the repair and modification of duct assemblies for air conditioning systems. The procurement focuses on the repair, testing, and inspection of the Duct Assembly, Air C, with the National Stock Number (NSN) 1660-01-464-8901, ensuring compliance with specified military standards and procedures. These assemblies are critical for maintaining operational readiness in naval aircraft, highlighting their importance in defense operations. Interested contractors should direct inquiries to Thomas S. McLaughlin at 215-697-2486 or via email at thomas.s.mclaughlin7.civ@us.navy.mil, with proposals expected to adhere to the outlined requirements and timelines.