Ordered as U70253, this is an AS568-253 clear Polyurethane (AU/EU) 70 Shore A O-Ring with an inside diameter of 5.359 in (136.12 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.637 in (143.18 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Polyurethane (AU/EU) is known for long wear life in dynamic reciprocating service and exceptional abrasion resistance. It resists ozone, abrasion and wear, and impact and shock loading. The material carries a published service range of -65°F (-53.9°C) to 200°F (93.3°C). Verify compatibility before use with ketones or hot water and steam.
Maintenance and OEM teams specify it across off-highway equipment, construction machinery, and mining and heavy equipment.
U70253 ships individually. Nominal inside diameter is listed as 5 3/8 inch. Check the compound against your process media, pressure and temperature before committing to a design.
description 568-253 URETHANE 70 DURO ORINGS
uf_description2 5.359" (136.12MM) ID X .139" (3.53MM)
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 5.359 inch (136.12 mm)
Actual_OD 5.637 inch (143.18 mm)
ProductCode Description O-Rings - Bulk - Premium