-220 WHITE BUNA 70D FDA O-RING

Ordered as H70FDA220, this is an AS568-220 white Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 1.359 in (34.52 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 1.637 in (41.58 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) is known for the most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. This material stands up to greases and lubricants, petroleum-based oils, and propane and butane. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Exposure to ketones or ozone and direct sunlight will shorten service life.

This item meets FDA requirements for food contact, is metal detectable for HACCP and foreign-body control programs. It sees regular use in automotive, construction equipment, and general industrial maintenance.

Reference part number H70FDA220 when ordering; the item is sold individually. Unit weight is approximately 1.569 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.