Part number H70MD408 is an AS568-408 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.35 in (59.69 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 2.9 in (73.66 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.
Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and low compression set under sustained load. The compound resists propane and butane, many alcohols, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or ozone and direct sunlight.
This o-ring is metal detectable for HACCP and foreign-body control programs. It sees regular use in fluid power, agricultural equipment, and hydraulic and pneumatic systems.
This item is sold individually under part number H70MD408. As always, verify media compatibility and operating conditions against the requirements of your specific application.
description -408 BLACK BUNA 70D O-RING
uf_description2 METAL DETECTABLE, 0.275" (6.99MM) CS X 2.350" (59.69MM) ID
Actual_CS 0.275 inch (6.99 mm)
Actual_ID 2.35 inch (59.69 mm)
Actual_OD 2.9 inch (73.66 mm)
ProductCode Description O-Rings - FDA / Metal Detectable