The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support Mechanicsburg, is soliciting proposals for the repair and modification of differential gauges. This procurement aims to ensure the operational readiness of critical measuring instruments used in various defense applications, adhering to stringent quality and safety standards. The contract will require vendors to provide a firm-fixed price quote for the complete repair effort, including teardown and evaluation, with a requested turnaround time of 166 days. Interested parties should direct inquiries to Robert H. Langel at 717-605-3353 or via email at ROBERT.H.LANGEL.CIV@US.NAVY.MIL, and must comply with all outlined requirements to be considered for this opportunity.