This o-ring is supplied in AS568-242 clear Polyurethane (AU/EU) 70 Shore A with an inside diameter of 3.984 in (101.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.262 in (108.25 mm), catalogued under part number U70242. It delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Polyurethane (AU/EU) delivers outstanding extrusion resistance at elevated pressure and long wear life in dynamic reciprocating service. The material holds up against impact and shock loading, ozone, and abrasion and wear. Published continuous service range is -65°F (-53.9°C) to 200°F (93.3°C). It is not the right choice where prolonged humidity at elevated temperature or ketones are present.
Common environments for this compound include press and forming equipment, high-pressure fluid power, and hydraulic cylinders.
This item is sold individually under part number U70242. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description 568-242 URETHANE 70 DURO ORINGS
uf_description2 3.984" (101.19MM) ID X .139" (3.53MM) CS
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 3.984 inch (101.19 mm)
Actual_OD 4.262 inch (108.25 mm)
ProductCode Description O-Rings - Bulk - Premium