This o-ring is supplied in AS568-475 black Viton® (FKM) 75 Shore A supplied with an inside diameter of 25.94 in (658.88 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 26.49 in (672.85 mm), catalogued under part number VITON75475. It creates a positive seal at flange, piston and rod interfaces without added hardware.
Viton® (FKM) is specified here for industry benchmark where nitrile reaches its thermal limit and very low compression set at elevated temperature. The material holds up against chlorinated solvents, many acids, and engine and transmission fluids. Published continuous service range is -15°F (-26.1°C) to 400°F (204.4°C).
It sees regular use in semiconductor equipment, oil and gas, and high-temperature process equipment.
VITON75475 ships individually. Unit weight is approximately 147.25 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -475 BLACK CHEMOURS VITON 75D O-RING
uf_description2 0.275" (6.99MM) CS X 25.940" (658.88MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 25.94 inch (658.88 mm)
Actual_OD 26.49 inch (672.85 mm)
ProductCode Description O-Rings - Bulk - Commodity