The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the repair and modification of oxygen concentrators under a sole source contract. The procurement requires qualified contractors to perform inspection, testing, and repair of the specified equipment to ensure it meets operational standards, with all repairs to be conducted in accordance with detailed technical specifications and industry standards. These oxygen concentrators are critical for maintaining operational readiness in various military applications. Interested contractors must submit their proposals within 120 days of submission, and for further inquiries, they can contact Kristin Clemens at kristin.clemens@navy.mil or by phone at 215-697-3814.