-155 BROWN FKM 75D O-RING

This o-ring is supplied in AS568-155 brown Viton® (FKM) 75 Shore A measuring an inside diameter of 3.987 in (101.27 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 4.193 in (106.5 mm), catalogued under part number VB75155. It remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Viton® (FKM) is widely chosen for long service life in hot, chemically aggressive environments and the industry benchmark where nitrile reaches its thermal limit. The compound resists many acids, aromatic hydrocarbons, and engine and transmission fluids. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).

It sees regular use in automotive fuel systems, oil and gas, and high-temperature process equipment.

Stocked as VB75155 and sold individually. Unit weight is approximately 3.795 g and nominal inside diameter is listed as 4 inch. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.