S70172 is an AS568-172 red Silicone 70 Shore A O-Ring built to an inside diameter of 8.237 in (209.22 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.443 in (214.45 mm). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.
As a material, Silicone is widely chosen for excellent electrical insulating properties and very good compression set resistance across its range. The compound resists dry heat, many oxidizing chemicals, and ozone and UV exposure. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). Applications involving abrasive dynamic service or hydrocarbon fuels and oils call for a different compound.
You will find this material specified across medical devices, food and beverage processing, and electronics and electrical enclosures.
Reference part number S70172 when ordering; the item is sold individually. Unit weight is approximately 5.19 g and nominal inside diameter is listed as 8 1/4 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 -172 RED SILICONE 70D O-RING
uf_description2 0.103" (2.62MM) CS X 8.237" (209.22MM) ID
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 8.237 inch (209.22 mm)
Actual_OD 8.443 inch (214.45 mm)
ProductCode Description O-Rings - Bulk - Commodity