-149 RED SILICONE 70D FDA O-RING

S70FDA149 is an AS568-149 red Silicone 70 Shore A O-Ring built to an inside diameter of 2.8 in (71.12 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 3.006 in (76.35 mm). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

Silicone is specified here for flexibility that holds at very low temperatures and exceptionally wide service temperature range. The compound resists weathering, extreme heat and cold, and dry heat. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. Verify compatibility before use with hydrocarbon fuels and oils or abrasive dynamic service.

This o-ring meets FDA requirements for food contact under 21 CFR 177.2600. You will find this material specified across food and beverage processing, pharmaceutical manufacturing, and electronics and electrical enclosures.

Stocked as S70FDA149 and sold individually. Unit weight is approximately 1.75 g and nominal inside diameter is listed as 2 13/16 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.