Part number H70MD035 is an AS568-035 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.239 in (56.87 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 2.379 in (60.43 mm). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) is widely chosen for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. The material holds up against propane and butane, greases and lubricants, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or strong acids.
This item is metal detectable for HACCP and foreign-body control programs. You will find this material specified across hydraulic and pneumatic systems, fluid power, and construction equipment.
Reference part number H70MD035 when ordering; the item is sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description -035 BLACK BUNA 70D O-RING
uf_description2 METAL DETECTABLE, 0.070" (1.78MM) CS X 2.239" (56.87MM) ID
Actual_CS 0.07 inch (1.78 mm)
Actual_ID 2.239 inch (56.87 mm)
Actual_OD 2.379 inch (60.43 mm)
ProductCode Description O-Rings - FDA / Metal Detectable