The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking procurement for the repair and modification of a transmitter, identified by NSN 7R-6620-010357300-VF. The requirement includes a quantity of four units, with delivery terms set to FOB Origin, indicating that the buyer will cover shipping costs from the seller's location. This equipment is crucial for engine instrumentation, playing a significant role in the operational readiness of naval systems. Interested vendors can reach out to Ethan T. Stein at (215) 697-2983 or via email at ETHAN.STEIN@NAVY.MIL for further details regarding this presolicitation opportunity.