3.53MM CS X 25.8MM ID BLACK BUNA 70D

Ordered as H3.53X25.8, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 25.8 mm (1.016 in), a cross section of 3.53 mm (0.139 in), and an outside diameter of 32.86 mm (1.29 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and economical choice for high-volume maintenance programs. Expect good resistance to greases and lubricants, hydraulic fluids, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or ketones call for a different compound.

It sees regular use in automotive, agricultural equipment, and fluid power.

Reference part number H3.53X25.8 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation.