-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, is metal detectable for HACCP and foreign-body control programs. 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.