The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking qualified sources for the procurement of 8 units of a directional valve (NSN 7R-4820-006900257-EY). This procurement requires engineering source approval due to the flight-critical nature of the item, necessitating that only previously approved sources may submit proposals. The item is essential for maintaining operational quality, and any new sources must adhere to stringent qualification procedures set by the Government engineering activity. Interested parties should contact Alexis K. Healy at (215) 697-1143 or via email at ALEXIS.HEALY@NAVY.MIL for further details, and note that the acquisition is set aside for small business concerns, with specific clauses to be included in the solicitation.