The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking qualified sources for the procurement of 52 units of a flight-critical fuel cell for aircraft, identified by NSN 7R-1680-015337193-V2 and reference number 901-366-302-108. The procurement requires that the item be acquired from or repaired by sources specified on a source control or selected item drawing, as adequate technical data or manufacturing knowledge is not available for alternative sourcing. This item is essential for maintaining operational readiness, and only previously approved sources will be considered for award, with proposals needing to include detailed source approval information. Interested parties should contact Bridget M. Murphy at (215) 697-5047 or via email at BRIDGET.M.MURPHY6.CIV@US.NAVY.MIL for further details, as the solicitation is currently in the presolicitation phase.