Ordered as V70444, this is an AS568-444 black Viton® (FKM) 75 Shore A O-Ring measuring an inside diameter of 7.725 in (196.22 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 8.275 in (210.19 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
As a material, Viton® (FKM) offers very low compression set at elevated temperature and the industry benchmark where nitrile reaches its thermal limit. This material stands up to aromatic hydrocarbons, many acids, and chlorinated solvents. Rated temperature range runs from -15°F (-26.1°C) to 400°F (204.4°C) in continuous service.
You will find this material specified across automotive fuel systems, high-temperature process equipment, and semiconductor equipment.
Reference part number V70444 when ordering; the item is sold individually. Unit weight is approximately 44.576 g. Check the compound against your process media, pressure and temperature before committing to a design.
Description -444 BLACK FKM 75D O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 7.725 inch (196.22 mm)
Actual Outside Diameter 8.275 inch (210.19 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity