-409 RED SILICONE 70D FDA O-RING

The S70FDA409 is an AS568-409 red Silicone 70 Shore A O-Ring with an inside diameter of 2.475 in (62.87 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 3.025 in (76.84 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Silicone is specified here for very good compression set resistance across its range and excellent electrical insulating properties. This material stands up to weathering, extreme heat and cold, and ozone and UV exposure. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). Verify compatibility before use with concentrated acids or hydrocarbon fuels and oils.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. Common environments for this compound include medical devices, electronics and electrical enclosures, and sanitary process lines.

Order part number S70FDA409, sold individually. Unit weight is approximately 12.15 g and nominal inside diameter is listed as 2 1/2 inch. Review your operating media and conditions against this specification before 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.