-129 BLACK CHLOROPRENE 70D O-RING

Ordered as N70129, this is an AS568-129 black Neoprene (Chloroprene) 70 Shore A O-Ring measuring an inside diameter of 1.549 in (39.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.755 in (44.58 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Neoprene (Chloroprene) is valued for good resilience across a moderate temperature band and dependable general-purpose sealing in exposed installations. The material holds up against sunlight and salt spray, moderate petroleum oil exposure, and mild acids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong oxidizing acids or ketones.

Maintenance and OEM teams specify it across marine equipment, transit and rail, and HVAC and refrigeration.

Reference part number N70129 when ordering; the item is sold individually. Unit weight is approximately 1.03 g. Review your operating media and conditions against this specification before installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.