This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 115 mm (4.528 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 120 mm (4.72 in), catalogued under part number H2.5X115. It delivers dependable bidirectional sealing in a compact groove envelope.
Expect good resistance to petroleum-based oils, water, and many alcohols. Buna-N (Nitrile) is specified for low compression set under sustained load, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or ketones are present.
Maintenance and OEM teams specify it across automotive, general industrial maintenance, and fluid power.
H2.5X115 ships individually. Unit weight is approximately 0.0023 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 2.5MM CS X 115MM ID BLACK BUNA 70D
uf_description2 METRIC O-RING
Actual_OD 120 mm (4.72 inch)
Actual_CS 2.5 mm (0.098 inch)
Actual_ID 115 mm (4.528 inch)
ProductCode Description O-Rings - Metric - Commodity