Part number H70MD272 is an AS568-272 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 9.484 in (240.89 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 9.762 in (247.95 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Buna-N (Nitrile) offers strong abrasion and tear resistance, reliable performance in both static and dynamic service. The material holds up against greases and lubricants, propane and butane, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with polar solvents or strong acids.
This o-ring is metal detectable for HACCP and foreign-body control programs. It sees regular use in hydraulic and pneumatic systems, fluid power, and agricultural equipment.
Stocked as H70MD272 and sold individually. Nominal inside diameter is listed as 9 1/2 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
description -272 BLACK BUNA 70D O-RING
uf_description2 METAL DETECTABLE, 0.139" (3.53MM) CS X 9.484" (240.89MM) ID
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 9.484 inch (240.89 mm)
Actual_OD 9.762 inch (247.95 mm)
ProductCode Description O-Rings - FDA / Metal Detectable