This o-ring is supplied in AS568-421 clear Polyurethane (AU/EU) 90 Shore A supplied with an inside diameter of 3.975 in (100.97 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.525 in (114.94 mm), catalogued under part number U90421. It delivers dependable bidirectional sealing in a compact groove envelope.
Polyurethane (AU/EU) offers outstanding extrusion resistance at elevated pressure, very high tensile strength and load capacity. Expect good resistance to impact and shock loading, abrasion and wear, and ozone. Published continuous service range is -65°F (-53.9°C) to 200°F (93.3°C). Verify compatibility before use with prolonged humidity at elevated temperature or ketones.
You will find this material specified across mining and heavy equipment, press and forming equipment, and construction machinery.
This item is sold individually under part number U90421. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description 568-421 URETHANE 90 ORINGS -PREM GRADE
uf_description2 3.975" (100.97MM) ID X .275" (6.99MM) CS
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 3.975 inch (100.97 mm)
Actual_OD 4.525 inch (114.94 mm)
ProductCode Description O-Rings - Bulk - Premium