Description Description The Haskel 27375-4V stem is a stainless steel component that is part of the fluid valve assembly in Haskel pumps. The stem is vulcanized for durability and corrosion resistance, and it works with a spring and a plug to control the flow of fluid through the valve. The stem has a 1/4 inch diameter and a 1/2 inch length, and it fits various models of Haskel pumps, such as the AA-5, AO-4, and R600 series. The stem is designed to withstand high pressures and temperatures, and it is easy to install and replace. The Haskel 27375-4V stem is a quality product that ensures reliable performance and safety for your pumping applications. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories