APG stocks the FS70169, an AS568-169 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring supplied with an inside diameter of 7.487 in (190.17 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 7.693 in (195.4 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.
Fluorosilicone (FVMQ) is known for excellent ozone and UV stability, the standard choice for static aerospace fuel system seals. This material stands up to aromatic fuels and jet fuel, extreme cold, and chlorinated solvents. Continuous operating temperature is published at -80°F (-62.2°C) to 350°F (176.7°C). It is not the right choice where hydrazine or brake fluids are present.
It sees regular use in aerospace and defense, military ground vehicles, and aviation fuel systems.
This item is sold individually under part number FS70169. Unit weight is approximately 4.7417 g and nominal inside diameter is listed as 7 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
description 568-169 FLUOROSILICONE 70 DURO ORINGS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 7.487 inch (190.17 mm)
Actual_OD 7.693 inch (195.4 mm)
ProductCode Description O-Rings - Bulk - Premium