This o-ring is supplied in AS568-353 black Aflas (TFE/P) 80 Shore A measuring an inside diameter of 4.975 in (126.37 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 5.395 in (137.03 mm), catalogued under part number A80353. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Aflas (TFE/P) is known for excellent electrical insulating properties and proven performance in aggressive downhole environments. The material holds up against brake fluids and phosphate esters, hot water, and high-temperature steam. The material carries a published service range of -25°F (-31.7°C) to 450°F (232.2°C). Verify compatibility before use with aromatic hydrocarbons or some chlorinated solvents.
Typical settings include power generation, oil and gas production, and downhole tooling.
Reference part number A80353 when ordering; the item is sold individually. Unit weight is approximately 0.0164 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -353 BLACK AFLAS 80D O-RING
uf_description2 0.21" (5.33MM) CS X 4.975" (126.36MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 4.975 inch (126.37 mm)
Actual_OD 5.395 inch (137.03 mm)
ProductCode Description O-Rings - Bulk - Premium