Part number VITON75309 is an AS568-309 black Viton® (FKM) 75 Shore A O-Ring with an inside diameter of 0.412 in (10.46 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 0.832 in (21.13 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.
The compound resists engine and transmission fluids, many acids, and aggressive chemicals. Viton® (FKM) offers the industry benchmark where nitrile reaches its thermal limit and long service life in hot, chemically aggressive environments. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in hot water and steam or low-molecular-weight organic acids.
Common environments for this compound include high-temperature process equipment, semiconductor equipment, and chemical processing.
Order part number VITON75309, sold individually. Unit weight is approximately 2.0441 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Description -309 BLACK CHEMOURS VITON 75D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 0.412 inch (10.46 mm)
Actual Outside Diameter 0.832 inch (21.13 )
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity