This o-ring is supplied in AS568-379 red Silicone 70 Shore A measuring an inside diameter of 10.975 in (278.77 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 11.395 in (289.43 mm), catalogued under part number S70MD379. It 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, ozone and UV exposure, and many oxidizing chemicals. Continuous operating temperature is published at -80°F (-62.2°C) to 450°F (232.2°C). It is not the right choice where concentrated acids or hydrocarbon fuels and oils are present.
This item is metal detectable for HACCP and foreign-body control programs. Common environments for this compound include medical devices, ovens and heated equipment, and electronics and electrical enclosures.
S70MD379 ships individually. Nominal inside diameter is listed as 11 inch. Review your operating media and conditions against this specification before installation. 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 -379 RED SILICONE 70D O-RING
uf_description2 METAL DETECTABLE, 0.210" (5.33MM) CS X 10.975" (278.77MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 10.975 inch (278.77 mm)
Actual_OD 11.395 inch (289.43 mm)
ProductCode Description O-Rings - FDA / Metal Detectable