The Department of Defense, specifically the Department of the Navy through NAVSUP Weapon Systems Support, is seeking procurement for the repair or modification of liquid quantity indicators. The requirement includes the acquisition of 7 units of National Stock Number (NSN) 7R-6680-003336757-VF, with a Technical Data Package (TDP) version 002, and delivery is expected to be FOB Origin. These indicators are critical for measuring liquid levels and mechanical motion, playing a vital role in various defense applications. Interested vendors should reach out to Ethan T. Stein at (215) 697-2983 or via email at ETHAN.STEIN@NAVY.MIL for further details regarding this presolicitation notice.