-349 RED SILICONE 70D FDA O-RING

Part number S70FDA349 is an AS568-349 red Silicone 70 Shore A O-Ring supplied with an inside diameter of 4.475 in (113.67 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.895 in (124.33 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Silicone is specified here for physiological inertness and low toxicity, very good compression set resistance across its range. It resists many oxidizing chemicals, extreme heat and cold, and weathering. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). Verify compatibility before use with abrasive dynamic service or concentrated acids.

The compound meets FDA requirements for food contact under 21 CFR 177.2600. Maintenance and OEM teams specify it across electronics and electrical enclosures, pharmaceutical manufacturing, and food and beverage processing.

Stocked as S70FDA349 and sold individually. Unit weight is approximately 11.523 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.