S70381 is an AS568-381 red Silicone 70 Shore A O-Ring with an inside diameter of 11.975 in (304.17 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 12.395 in (314.83 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
Silicone is specified for very good compression set resistance across its range and flexibility that holds at very low temperatures. The material holds up against dry heat, extreme heat and cold, and weathering. Service temperature is rated from -80°F (-62.2°C) through 450°F (232.2°C). It is not the right choice where concentrated acids or hydrocarbon fuels and oils are present.
Maintenance and OEM teams specify it across electronics and electrical enclosures, ovens and heated equipment, and sanitary process lines.
This item is sold individually under part number S70381. Unit weight is approximately 31.54 g and nominal inside diameter is listed as 12 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description -381 RED SILICONE 70D O-RING
uf_description2 0.210" (5.33MM) CS X 11.975" (304.17MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 11.975 inch (304.17 mm)
Actual_OD 12.395 inch (314.83 mm)
ProductCode Description O-Rings - Bulk - Commodity