This o-ring is supplied in AS568-428 clear Polyurethane (AU/EU) 90 Shore A built to an inside diameter of 4.85 in (123.19 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 5.4 in (137.16 mm), catalogued under part number U90428. It delivers dependable bidirectional sealing in a compact groove envelope.
Polyurethane (AU/EU) is known for very high tensile strength and load capacity, long wear life in dynamic reciprocating service. The material holds up against ozone, petroleum oils, and impact and shock loading. Service temperature is rated from -65°F (-53.9°C) through 200°F (93.3°C). Verify compatibility before use with acids and bases or ketones.
Common environments for this compound include high-pressure fluid power, construction machinery, and mining and heavy equipment.
This item is sold individually under part number U90428. Application requirements vary, so validate compatibility with your process conditions prior to installation.
description 568-428 URETHANE 90 ORINGS -PREM GRADE
uf_description2 4.850" (123.19MM) ID X .275" (6.99MM)
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 4.85 inch (123.19 mm)
Actual_OD 5.4 inch (137.16 mm)
ProductCode Description O-Rings - Bulk - Premium