APG stocks the V75359, an AS568-359 black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 5.725 in (145.42 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 6.145 in (156.08 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
The compound resists aromatic hydrocarbons, chlorinated solvents, and petroleum oils and fuels. Viton® (FKM) is widely chosen for very low compression set at elevated temperature and the industry benchmark where nitrile reaches its thermal limit. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C).
It sees regular use in semiconductor equipment, chemical processing, and oil and gas.
Order part number V75359, sold individually. Unit weight is approximately 19.52 g and nominal inside diameter is listed as 5 3/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -359 BLACK FKM 75D O-RING
Actual Cross Section 0.21 inch (5.33 mm)
Actual Inside Diameter 5.725 inch (145.42 mm)
Actual Outside Diameter 6.145 inch (156.08 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Commodity