Brass Washer with Rubber Ring

This 25-pack of brass washers combines durable brass construction with advanced FKM rubber sealing technology, specifically designed for CGA 870 Style oxygen regulators. The brass component offers superior thermal stability and a higher melting point than aluminum alternatives, ensuring a secure, heat-resistant connection between regulator and cylinder. The FKM compound maintains its sealing integrity even under elevated temperature conditions, providing dependable performance in demanding medical gas applications.