Ordered as H3.1X44.4, this is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 44.4 mm (1.748 in), a cross section of 3.1 mm (0.122 in), and an outside diameter of 50.6 mm (1.99 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies. Source specification: Metric O-RING, JIS G45.
Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. The compound resists petroleum-based oils, greases and lubricants, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).
Common environments for this compound include general industrial maintenance, hydraulic and pneumatic systems, and construction equipment.
This item is sold individually under part number H3.1X44.4. Unit weight is approximately 1.4029 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description 3.1MM CS X 44.4MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING, JIS G45
Actual_OD 50.6 mm (1.99 inch)
Actual_CS 3.1 mm (0.122 inch)
Actual_ID 44.4 mm (1.748 inch)
ProductCode Description O-Rings - Metric - Commodity