-420 RED SILICONE 70D O-RING

Part number S70420 is an AS568-420 red Silicone 70 Shore A O-Ring with an inside diameter of 3.85 in (97.79 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.4 in (111.76 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

The material holds up against ozone and UV exposure, extreme heat and cold, and dry heat. Silicone offers excellent electrical insulating properties and flexibility that holds at very low temperatures. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). Applications involving steam above its rated range or concentrated acids call for a different compound.

Maintenance and OEM teams specify it across electronics and electrical enclosures, sanitary process lines, and medical devices.

Order part number S70420, sold individually. Unit weight is approximately 17.701 g and nominal inside diameter is listed as 3 7/8 inch. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.