Replacement O-ring designed for reliable sealing in CK welding torch assemblies and accessories. This precision-manufactured component ensures proper gas flow and prevents contamination in critical torch connections. Engineered for durability in demanding shop environments, this O-ring maintains consistent performance across temperature variations and repeated assembly cycles. The 2310-0040 specification ensures exact fit compatibility with designated CK torch components. Manufacturer SKU: 2310-0040 Single unit packaging for precise inventory control Heat-resistant material construction Maintains seal integrity under operating pressures Direct OEM replacement specification Essential maintenance component for maintaining optimal torch performance and preventing gas leakage that can compromise weld quality. Keep spare O-rings in inventory to minimize downtime during routine torch servicing and assembly maintenance.