-121 WHITE BUNA 70D FDA O-RING

APG stocks the H70FDA121, an AS568-121 white Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.049 in (26.64 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 1.255 in (31.88 mm). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. This material stands up to many alcohols, greases and lubricants, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or automotive brake fluid.

This o-ring meets FDA requirements for food contact under 21 CFR 177.2600. It sees regular use in hydraulic and pneumatic systems, general industrial maintenance, and automotive.

This item is sold individually under part number H70FDA121. Unit weight is approximately 0.64 g and nominal inside diameter is listed as 1 1/16 inch. 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.