The H3.5X8 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 8 mm (0.315 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 15 mm (0.59 in). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Buna-N (Nitrile) is valued for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Expect good resistance to petroleum-based oils, hydraulic fluids, and many alcohols. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).
Typical settings include general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.
Order part number H3.5X8, sold individually. Unit weight is approximately 0.43 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.
description 3.5MM CS X 8MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 15 mm (0.59 inch)
Actual_CS 3.5 mm (0.138 inch)
Actual_ID 8 mm (0.315 inch)
ProductCode Description O-Rings - Metric - Commodity