Ordered as VB90353, this is an AS568-353 brown Viton® (FKM) 90 Shore A O-Ring with 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). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Viton® (FKM) is known for very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. It resists many acids, engine and transmission fluids, and aggressive chemicals. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C). Verify compatibility before use with amines or ketones and esters.
You will find this material specified across chemical processing, aerospace, and semiconductor equipment.
This item is sold individually under part number VB90353. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description -353 BROWN FKM 90D O-RING
uf_description2 0.210" (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 - Commodity