Part number VB90242 is an AS568-242 brown Viton® (FKM) 90 Shore A O-Ring with an inside diameter of 3.984 in (101.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.262 in (108.25 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Viton® (FKM) is known for excellent resistance to compression set and permeation, very low compression set at elevated temperature. The material holds up against petroleum oils and fuels, many acids, and aromatic hydrocarbons. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Applications involving hot water and steam or amines call for a different compound.
You will find this material specified across chemical processing, automotive fuel systems, and high-temperature process equipment.
Reference part number VB90242 when ordering; the item is sold individually. Unit weight is approximately 7.252 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.
description -242 BROWN FKM 90D O-RING
uf_description2 0.139" (3.53MM) CS X 3.984" (101.19MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 3.984 inch (101.19 mm)
Actual_OD 4.262 inch (108.25 mm)
ProductCode Description O-Rings - Bulk - Commodity