R-352 X-Ring/O-ring (ID: 4 7/8″, WD: 3/16″, OD: 5 1/4″) by ContractorsX
R-352 X-Ring/O-ring (ID: 4 7/8″, WD: 3/16″, OD: 5 1/4″) by ContractorsX. ContractorsX X-Ring/Quattro Seals O-rings are used to block a path which may otherwise allow a liquid or a gas to escape. The o ring is placed into a groove to secure them in place, and then compressed between two surfaces.