The FS70247 is an AS568-247 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring supplied with an inside diameter of 4.609 in (117.07 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.887 in (124.13 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.
It resists extreme cold, petroleum oils, and ozone and weathering. Fluorosilicone (FVMQ) is valued for excellent ozone and UV stability, a very wide service temperature range. The material carries a published service range of -80°F (-62.2°C) to 350°F (176.7°C). Verify compatibility before use with brake fluids or high-temperature dynamic service.
You will find this material specified across military ground vehicles, high-altitude equipment, and aviation fuel systems.
Reference part number FS70247 when ordering; the item is sold individually. Nominal inside diameter is listed as 4 5/8 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
description **568-247 FLUOROSILICONE 70 DUROORING
Actual_CS 0.139 inch (3.53 mm)
Actual_ID 4.609 inch (117.07 mm)
Actual_OD 4.887 inch (124.13 mm)
ProductCode Description O-Rings - Bulk - Premium