This o-ring is supplied in AS568-273 white PTFE (Teflon) 55 Shore D measuring an inside diameter of 9.734 in (247.24 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 10.012 in (254.3 mm), catalogued under part number TFE273. It remains the most cost-effective sealing element available for pressurized assemblies.
It resists solvents, steam, and strong acids and bases. PTFE (Teflon) is valued for non-stick, non-contaminating surface characteristics and one of the lowest coefficients of friction of any solid. Continuous operating temperature is published at -65°F (-53.9°C) to 500°F (260°C).
Typical settings include chemical processing, food and beverage, and semiconductor fabrication.
TFE273 ships individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 568-273 PTFE ORINGS FDA
uf_description2 9.734" (247.24MM) ID X .139" (3.53MM)
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 9.734 inch (247.24 mm)
Actual_OD 10.012 inch (254.3 mm)
ProductCode Description O-Rings - Bulk - Premium