-406 BLACK BUNA 70D O-RING

Part number H70406 is an AS568-406 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 2.1 in (53.34 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 2.65 in (67.31 mm). An o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) delivers low compression set under sustained load and the most widely specified general-purpose sealing elastomer. This material stands up to many alcohols, propane and butane, 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 ketones or automotive brake fluid are present.

Typical settings include agricultural equipment, automotive, and general industrial maintenance.

H70406 ships individually. Unit weight is approximately 0.009 g and nominal inside diameter is listed as 2 1/8 inch. 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.