Ordered as H70MD394, this is an AS568-394 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 24.94 in (633.48 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 25.36 in (644.14 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
The material holds up against greases and lubricants, hydraulic fluids, and water. Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.
The compound is metal detectable for HACCP and foreign-body control programs. Typical settings include construction equipment, agricultural equipment, and hydraulic and pneumatic systems.
Stocked as H70MD394 and sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
description -394 BLACK BUNA 70D O-RING
uf_description2 METAL DETECTABLE, 0.210" (5.33MM) CS X 24.940" (633.48MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 24.94 inch (633.48 mm)
Actual_OD 25.36 inch (644.14 mm)
ProductCode Description O-Rings - FDA / Metal Detectable