The Harloff 38150070 Plastic Cam provides a reliable replacement locking arm component designed for specialized medical regulators and cabinet locks. Engineered with a 1.25-inch outer diameter and a 0.29-inch aperture/mounting hole (AQ), this durable plastic cam integrates securely with compatible medical cart locking mechanisms and regulator enclosures. Built from high-impact, non-corrosive polymer material, it ensures consistent latching alignment and dependable security performance during daily clinical operations and emergency access procedures.