The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanics, is seeking qualified sources for the repair and modification of the Controller Assembly (NSN 7H-6110-015791865-VN). The procurement involves a quantity of four units, with delivery terms set to FOB Origin, and is classified as a sole source requirement due to the lack of available technical data for production. This item is critical for maintaining operational capabilities, and only companies certified as Depot Overhaul Points (DOP) and approved by the In-Service Engineering Activity (ISEA) will be considered for the contract. Interested parties must submit a Source Approval Request (SAR) within 45 days of this notice, and all inquiries should be directed to Alison N. Bruker at alison.bruker@navy.mil or by phone at (717) 605-6447.