The Department of Defense, through the Department of the Navy's NAVSUP Weapon Systems Support, is seeking contractors for the repair and modification of shut-off valves used in aircraft systems. This procurement focuses on miscellaneous aircraft accessories and components, specifically under the PSC code 1680, which indicates the importance of these components in maintaining aircraft operational readiness. Interested vendors should reach out to Alexis K. Healy at (215) 697-1143 or via email at ALEXIS.HEALY@NAVY.MIL for further details regarding the presolicitation notice and any upcoming deadlines.