3.5MM CS X 10MM ID BLACK BUNA 70D

The H3.5X10 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 10 mm (0.394 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 17 mm (0.67 in). This o-ring delivers dependable bidirectional sealing in a compact groove envelope.

It resists water, greases and lubricants, and petroleum-based oils. Buna-N (Nitrile) is specified 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). It is not the right choice where ketones or polar solvents are present.

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, fluid power, and agricultural equipment.

Reference part number H3.5X10 when ordering; the item is sold individually. Unit weight is approximately 0.498 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. 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.