-030 WHITE BUNA 70D FDA O-RING

The H70FDA030 is an AS568-030 white Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.614 in (41 mm), a cross section of 0.07 in (1.78 mm), and an outside diameter of 1.754 in (44.55 mm). This o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to many alcohols, petroleum-based oils, and water. Buna-N (Nitrile) is specified for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or ketones are present.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. Typical settings include hydraulic and pneumatic systems, automotive, and fluid power.

This item is sold individually under part number H70FDA030. Unit weight is approximately 0.435 g and nominal inside diameter is listed as 1 5/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.