-343 RED SILICONE 70D FDA O-RING

Ordered as S70FDA343, this is an AS568-343 red Silicone 70 Shore A O-Ring measuring an inside diameter of 3.725 in (94.62 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.145 in (105.28 mm). The o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

It resists dry heat, many oxidizing chemicals, and extreme heat and cold. Silicone offers physiological inertness and low toxicity, very good compression set resistance across its range. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). It should not be specified for service in concentrated acids or abrasive dynamic service.

This item meets FDA requirements for food contact under 21 CFR 177.2600. Maintenance and OEM teams specify it across medical devices, ovens and heated equipment, and electronics and electrical enclosures.

Order part number S70FDA343, sold individually. Unit weight is approximately 9.828 g. Check the compound against your process media, pressure and temperature before committing to a design.