This o-ring is supplied in AS568-109 black Viton® (FKM) 75 Shore A with an inside diameter of 0.299 in (7.59 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.505 in (12.83 mm), catalogued under part number VITON75109. It remains the most cost-effective sealing element available for pressurized assemblies.
Viton® (FKM) is specified here for long service life in hot, chemically aggressive environments and outstanding high-temperature capability. The compound resists aggressive chemicals, engine and transmission fluids, and petroleum oils and fuels. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service.
Common environments for this compound include oil and gas, semiconductor equipment, and high-temperature process equipment.
Order part number VITON75109, sold individually. Unit weight is approximately 0.3194 g and nominal inside diameter is listed as 5/16 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Description -109 BLACK CHEMOURS VITON 75D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 0.299 inch (7.59 mm)
Actual Outside Diameter 0.505 inch (12.83 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity