H70MD146 is an AS568-146 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.612 in (66.34 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.818 in (71.58 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Buna-N (Nitrile) offers reliable performance in both static and dynamic service, low compression set under sustained load. The compound resists 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). Applications involving ketones or automotive brake fluid call for a different compound.
This item is metal detectable for HACCP and foreign-body control programs. It sees regular use in general industrial maintenance, agricultural equipment, and hydraulic and pneumatic systems.
H70MD146 ships individually. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Description -146 BLACK BUNA 70D O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 2.612 inch (66.34 mm)
Actual Outside Diameter 2.818 inch (71.58 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable