1.5MM CS X 77MM ID BLACK BUNA 70D

Part number H1.5X77 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 77 mm (3.031 in), a cross section of 1.5 mm (0.059 in), and an outside diameter of 80 mm (3.15 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to propane and butane, many alcohols, and petroleum-based oils. Buna-N (Nitrile) delivers low compression set under sustained load, reliable performance in both static and dynamic service. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include automotive, agricultural equipment, and fluid power.

Reference part number H1.5X77 when ordering; the item is sold individually. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.