The Department of Defense, specifically the U.S. Army Test Measurement Diagnostic Equipment (TMDE) Activity, is seeking to procure two MCM5004 Manual Mass Comparators or equivalent units as a life cycle replacement for aging models at the Army Physical Standards Labs located at Redstone Arsenal, Alabama. The comparators must meet stringent specifications, including a maximum measurement capacity of 5 Kg, a readability of 0.1 mg, and a repeatability of 0.5 mg or better, along with features such as a digital readout, internal calibration adjustments, and E1 calibration capability with stabilization in under four seconds. This procurement is critical for enhancing the Army's precision in mass measurements, aligning with operational needs and compliance with government contracting regulations. Interested vendors can reach out to Taylor Siskoff at taylor.c.siskoff.civ@army.mil or Lisa Armes at lisa.s.armes.civ@army.mil for further details.