This o-ring is supplied in AS568-149 black Viton® (FKM) 75 Shore A built to an inside diameter of 2.8 in (71.12 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.006 in (76.35 mm), catalogued under part number VITON75149. It remains the most cost-effective sealing element available for pressurized assemblies.
The material holds up against many acids, engine and transmission fluids, and petroleum oils and fuels. Viton® (FKM) is known for outstanding high-temperature capability and very low compression set at elevated temperature. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Applications involving low-molecular-weight organic acids or hot water and steam call for a different compound.
It sees regular use in aerospace, semiconductor equipment, and chemical processing.
VITON75149 ships individually. Unit weight is approximately 2.3085 g and nominal inside diameter is listed as 2 13/16 inch. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description -149 BLACK CHEMOURS VITON 75D O-RING
uf_description2 0.103" (2.62MM) CS X 2.800" (71.12MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 2.8 inch (71.12 mm)
Actual_OD 3.006 inch (76.35 mm)
ProductCode Description O-Rings - Bulk - Commodity