This o-ring is supplied in AS568-467 white PTFE (Teflon) 55 Shore D supplied with an inside diameter of 18.955 in (481.46 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 19.505 in (495.43 mm), catalogued under part number TFE467. It remains the most cost-effective sealing element available for pressurized assemblies.
As a material, PTFE (Teflon) is specified for excellent dielectric properties and near-universal chemical inertness. The material holds up against solvents, oxidizing media, and steam. Service temperature is rated from -65°F (-53.9°C) through 500°F (260°C).
Common environments for this compound include semiconductor fabrication, food and beverage, and pharmaceutical and biotech.
Reference part number TFE467 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 568-467 PTFE ORINGS FDA
uf_description2 18.955" (481.46MM) ID X .275" (6.99MM
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 18.955 inch (481.46 mm)
Actual_OD 19.505 inch (495.43 mm)
ProductCode Description O-Rings - Bulk - Premium