LDS Vacuum 338-CG1 Vacuum Flange Gasket – LOT OF 3

• The 338-CG1 is a 3.38″ (≈ DN50) Conflat (CF) copper gasket used to seal Conflat vacuum flanges in vacuum plumbing and chamber assemblies.

• It’s an annealed OFHC copper gasket (annealed so it can form a knife-edge seal) designed for high and ultra-high vacuum applications where a reliable metal seal is required.

🔍 Key Specs (from LDS Vacuum listings)

• Size: Fits 3.38″ OD Conflat (CF338 / DN50 CF) flanges.

• Material: OFHC copper, annealed for sealing