The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support MECH, is seeking contractors for the repair and modification of sensors classified under the PSC code 6680, which pertains to liquid and gas flow, liquid level, and mechanical motion measuring instruments. The procurement aims to ensure the operational readiness and reliability of these critical measuring instruments used in various defense applications. Interested parties can reach out to Zachary R. Morrill at (717) 605-1552 or via email at ZACHARY.R.MORRILL.CIV@US.NAVY.MIL for further details regarding the presolicitation notice and any upcoming deadlines.