Ordered as S70FDA424, this is an AS568-424 red Silicone 70 Shore A O-Ring built to an inside diameter of 4.35 in (110.49 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 4.9 in (124.46 mm). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
As a material, Silicone is known for very good compression set resistance across its range and excellent electrical insulating properties. The compound resists extreme heat and cold, dry heat, and weathering. The material carries a published service range of -80°F (-62.2°C) to 450°F (232.2°C).
The compound meets FDA requirements for food contact under 21 CFR 177.2600. Typical settings include food and beverage processing, sanitary process lines, and medical devices.
Order part number S70FDA424, sold individually. Unit weight is approximately 19.566 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Description -424 RED SILICONE 70D FDA O-RING
Actual Cross Section 0.275 inch (6.99 mm)
Actual Inside Diameter 4.35 inch (110.49 mm)
Actual Outside Diameter 4.9 inch (124.46 mm)
Measurement System Imperial
Product Category O-Rings - FDA / Metal Detectable