-348 RED SILICONE 70D FDA O-RING

Ordered as S70FDA348, this is an AS568-348 red Silicone 70 Shore A O-Ring with an inside diameter of 4.35 in (110.49 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.77 in (121.16 mm). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Expect good resistance to weathering, dry heat, and extreme heat and cold. Silicone is specified for flexibility that holds at very low temperatures and excellent electrical insulating properties. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. Applications involving abrasive dynamic service or steam above its rated range call for a different compound.

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

Stocked as S70FDA348 and sold individually. Unit weight is approximately 11.444 g and nominal inside diameter is listed as 4 3/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.