-337 WHITE BUNA 70D FDA O-RING

The H70FDA337 is an AS568-337 white Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 2.975 in (75.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.395 in (86.23 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is valued for low compression set under sustained load and an economical choice for high-volume maintenance programs. The material holds up against propane and butane, greases and lubricants, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Applications involving automotive brake fluid or ozone and direct sunlight call for a different compound.

This o-ring meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. You will find this material specified across construction equipment, fluid power, and agricultural equipment.

Stocked as H70FDA337 and sold individually. Unit weight is approximately 7.613 g and nominal inside diameter is listed as 3 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application.