Ordered as H3.5X16, this is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 16 mm (0.63 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 23 mm (0.91 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.
This material stands up to greases and lubricants, water, and hydraulic fluids. Buna-N (Nitrile) is valued for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).
Typical settings include construction equipment, fluid power, and general industrial maintenance.
Order part number H3.5X16, sold individually. Unit weight is approximately 0.72 g. Review your operating media and conditions against this specification before 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 16MM ID BLACK BUNA 70D
Actual Outside Diameter 23 mm (0.91 inch)
Actual Cross Section 3.5 mm (0.138 inch)
Actual Inside Diameter 16 mm (0.63 inch)
Measurement System Metric
Product Category O-Rings - Metric - Commodity