The Allied Gomco 01-90-3592 is a high-precision replacement vacuum regulator assembly designed for the Gomco 300, 305, and 3020 series portable and tabletop aspirators. This critical component allows clinical operators to adjust and maintain specific negative pressure levels, ensuring safe and effective suction during medical procedures. It features an integrated 1.5-inch analog gauge with a clear 0 to 22 inHg measuring scale. Built for hospital-grade durability, this OEM assembly restores factory-spec regulation to units that are experiencing vacuum fluctuations or loss of control, maintaining the clinical standards required for airway management and general suctioning.