-228 WHITE BUNA 70D FDA O-RING

H70FDA228 is an AS568-228 white Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 2.234 in (56.74 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.512 in (63.8 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified for reliable performance in both static and dynamic service, strong abrasion and tear resistance. Expect good resistance to greases and lubricants, petroleum-based oils, and water. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or polar solvents are present.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. Maintenance and OEM teams specify it across general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.

Reference part number H70FDA228 when ordering; the item is sold individually. Unit weight is approximately 2.412 g and nominal inside diameter is listed as 2 1/4 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.