The Allied Gomco 01-90-2431 is the central housing component for the vacuum regulator assembly on Gomco surgical suction pumps. This OEM body is precision-machined to hold the regulator needle, spring, and control knob, forming the core of the suction adjustment system. It is specifically designed for high-performance surgical aspirators, such as the explosion-proof Model 3810, ensuring that vacuum levels are maintained with mechanical accuracy during critical procedures.