Description Description The Haskel 5005-31H retaining ring is a high-quality component that secures the pilot valve stem in the air valve assembly of Haskel liquid pumps and boosters. The retaining ring is made of durable steel and has a tru arc shape that provides a snug fit and prevents leakage. The retaining ring is easy to install and remove with a standard snap ring plier. The Haskel 5005-31H retaining ring is compatible with various models of Haskel pumps and boosters, such as the MLP-14/46A, MSB9000, and D14STD. The retaining ring is an essential part of the Haskel air drive system that ensures reliable and efficient performance of the hydraulic system. State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories