-237 WHITE BUNA 70D FDA O-RING

Ordered as H70FDA237, this is an AS568-237 white Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 3.359 in (85.32 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 3.637 in (92.38 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. This material stands up to greases and lubricants, water, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where ozone and direct sunlight or polar solvents are present.

This item meets FDA requirements for food contact under 21 CFR 177.2600. You will find this material specified across automotive, construction equipment, and hydraulic and pneumatic systems.

Order part number H70FDA237, sold individually. Unit weight is approximately 3.663 g. Review your operating media and conditions against this specification before installation.