The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking to procure 130 units of the Window Assembly, OBS, identified by NSN 1R-9340-016957295-P8 and reference number 143A4501-10. This procurement requires engineering source approval to ensure the quality of the part, necessitating that all interested suppliers possess the unique design capability and manufacturing knowledge to meet the stringent qualifications set by the Government. The proposed contract action will be negotiated with only one source under FAR 6.302-1, with a 45-day window for proposals, and all inquiries should be directed to Mackenzie Cannataro at (215) 697-0288 or via email at MACKENZIE.CANNATARO@NAVY.MIL.