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 vacuum pump units. The procurement involves the acquisition of six units, identified by NSN 7H-4310-015364828, with a Technical Data Package (TDP) version 002 and reference number 15-3818 PC1. These vacuum pumps are critical components in various defense applications, ensuring operational efficiency and reliability. Interested parties should contact Ashton Perry at (717) 605-7574 or via email at ashton.k.perry.civ@us.navy.mil for further details regarding the presolicitation notice.