-139 BROWN FKM 75D O-RING

Part number VB75139 is an AS568-139 brown Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 2.175 in (55.25 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.381 in (60.48 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

The compound resists aromatic hydrocarbons, aggressive chemicals, and engine and transmission fluids. That behavior comes from the compound itself: Viton® (FKM) is specified for outstanding high-temperature capability and long service life in hot, chemically aggressive environments. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service. Applications involving ketones and esters or amines call for a different compound.

Maintenance and OEM teams specify it across high-temperature process equipment, semiconductor equipment, and chemical processing.

Reference part number VB75139 when ordering; the item is sold individually. Unit weight is approximately 2.047 g and nominal inside diameter is listed as 2 3/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.