Buna 70-3mmCSx45mmID-Black-Pk25

APG stocks the SB-H3X45-25, a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 45 mm (1.772 in), a cross section of 3 mm (0.118 in), and an outside diameter of 51 mm (2.01 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies. The catalog record notes: 45MMIDX3MMCS.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, most widely specified general-purpose sealing elastomer. This material stands up to petroleum-based oils, water, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or strong acids call for a different compound.

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

Order part number SB-H3X45-25, sold by the bag. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.