Round O-Ring (ID: 43mm., WD: 4mm., OD: 51mm.) by ContractorsX
ContractorsX Round 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.
Features:
1) Helps to eliminate leaks in many applications, such as faucet drips at the spout
2) Nitrile rubber construction
3) Tough, flexible rubber construction
4) Dimensions: Interior Diameter: 43mm., Width Diameter: 4mm., Outside Diameter: 51mm.