This o-ring is supplied in AS568-345 red Silicone 70 Shore A built to an inside diameter of 3.975 in (100.97 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.395 in (111.63 mm), catalogued under part number S70345. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.
This material stands up to many oxidizing chemicals, weathering, and dry heat. Silicone is widely chosen for excellent electrical insulating properties, physiological inertness and low toxicity. Published continuous service range is -80°F (-62.2°C) to 450°F (232.2°C).
It sees regular use in sanitary process lines, electronics and electrical enclosures, and medical devices.
Reference part number S70345 when ordering; the item is sold individually. Unit weight is approximately 10.59 g and nominal inside diameter is listed as 4 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description -345 RED SILICONE 70D O-RING
uf_description2 0.210" (5.33MM) CS X 3.975" (100.96MM) ID
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 3.975 inch (100.97 mm)
Actual_OD 4.395 inch (111.63 mm)
ProductCode Description O-Rings - Bulk - Commodity