The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is soliciting proposals for the procurement of pressure altimeters. These instruments are critical for flight operations, providing essential data for navigation and guidance systems. The procurement falls under the NAICS code 334511, which encompasses the manufacturing of search, detection, navigation, guidance, aeronautical, and nautical systems and instruments. Interested vendors can reach out to Jacob Tarini at 215-697-3563 or via email at jacob.tarlini@navy.mil for further details regarding the solicitation process.