The H70MD368 is an AS568-368 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 7.725 in (196.22 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 8.145 in (206.88 mm). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. This material stands up to hydraulic fluids, petroleum-based oils, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in ozone and direct sunlight or automotive brake fluid.
This o-ring is metal detectable for HACCP and foreign-body control programs. Typical settings include hydraulic and pneumatic systems, automotive, and fluid power.
Order part number H70MD368, sold individually. Nominal inside diameter is listed as 7 3/4 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -368 BLACK BUNA 70D O-RING
uf_description2 METAL DETECTABLE, 0.210" (5.33MM) CS X 7.725" (196.21MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 7.725 inch (196.22 mm)
Actual_OD 8.145 inch (206.88 mm)
ProductCode Description O-Rings - FDA / Metal Detectable