The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking proposals for the repair and modification of power supply units, identified by NSN 7R-6130-017214325-EY, with a quantity of 30 units required. This procurement is critical as the items are flight critical, necessitating government source approval prior to contract award, and only previously approved sources will be considered for this solicitation. Interested parties must provide comprehensive documentation as outlined in the NAVSUP Source Approval Information Brochures, and proposals must be submitted within 45 days of this notice, with contact Kristin Clemens available for inquiries at (215) 697-3814 or via email at KRISTIN.CLEMENS@NAVY.MIL.