The H70FDA225 is an AS568-225 white Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 1.859 in (47.22 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.137 in (54.28 mm). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.
Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and economical choice for high-volume maintenance programs. This material stands up to petroleum-based oils, many alcohols, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).
The compound meets FDA requirements for food contact under 21 CFR 177.2600. Common environments for this compound include fluid power, hydraulic and pneumatic systems, and construction equipment.
Order part number H70FDA225, sold individually. Unit weight is approximately 2.03 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Description -225 WHITE BUNA 70D FDA O-RING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 1.859 inch (47.22 mm)
Actual Outside Diameter 2.137 inch (54.28 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable