The Department of Defense, through the Naval Surface Warfare Center, is seeking sources for the procurement of a Piston Prover Liquid Flow Calibrator (CFP400) to be utilized at the Portsmouth Naval Shipyard in Maine. The objective of this procurement is to replace an outdated flow calibration standard, ensuring reliable calibration standards for various types of liquid flowmeters, with a required flow range of 0.4 to 400 gallons per minute. This equipment is critical for maintaining measurement precision, which is essential for the operational readiness of naval operations. Interested parties should contact Julian Garibay at julian.p.garibay.civ@us.navy.mil for further details regarding this sources sought notice.