1.9MM CS X 4.8MM ID BLACK BUNA 70D

H1.9X4.8 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 4.8 mm (0.189 in), a cross section of 1.9 mm (0.075 in), and an outside diameter of 8.6 mm (0.34 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies. Supplementary detail from the product record: Metric O-RING, JIS P5.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. The compound resists hydraulic fluids, propane and butane, and many alcohols. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It is not the right choice where automotive brake fluid or strong acids are present.

You will find this material specified across construction equipment, fluid power, and general industrial maintenance.

Order part number H1.9X4.8, sold individually. Unit weight is approximately 0.0749 g. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.