APG stocks the S70FDA143, an AS568-143 red Silicone 70 Shore A O-Ring with an inside diameter of 2.425 in (61.6 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.631 in (66.83 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Silicone is widely chosen for flexibility that holds at very low temperatures and an exceptionally wide service temperature range. This material stands up to dry heat, ozone and UV exposure, and many oxidizing chemicals. Rated temperature range runs from -80°F (-62.2°C) to 450°F (232.2°C) in continuous service. It should not be specified for service in hydrocarbon fuels and oils or concentrated acids.
This o-ring meets FDA requirements for food contact under 21 CFR 177.2600. Maintenance and OEM teams specify it across electronics and electrical enclosures, sanitary process lines, and food and beverage processing.
Stocked as S70FDA143 and sold individually. Unit weight is approximately 1.52 g and nominal inside diameter is listed as 2 7/16 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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.
Description -143 RED SILICONE 70D FDA O-RING
Actual Cross Section 0.103 inch (2.62 mm)
Actual Inside Diameter 2.425 inch (61.6 mm)
Actual Outside Diameter 2.631 inch (66.83 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable