APG stocks the VB75904, an AS568-904 brown Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 0.351 in (8.92 mm), a cross section of 0.072 in (1.83 mm), and an outside diameter of 0.495 in (12.57 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
The compound resists aggressive chemicals, aromatic hydrocarbons, and chlorinated solvents. That behavior comes from the compound itself: Viton® (FKM) is known for outstanding high-temperature capability and long service life in hot, chemically aggressive environments. The material carries a published service range of -15°F (-26.1°C) to 400°F (204.4°C).
You will find this material specified across high-temperature process equipment, automotive fuel systems, and chemical processing.
Reference part number VB75904 when ordering; the item is sold individually. Unit weight is approximately 0.1796 g and nominal inside diameter is listed as 1/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -904 BROWN FKM 75D O-RING
Actual Cross Section 0.072 inch (1.83 mm)
Actual Inside Diameter 0.351 inch (8.92 mm)
Actual Outside Diameter 0.495 inch (12.57 )
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity