FS70253 is an AS568-253 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring supplied with an inside diameter of 5.359 in (136.12 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 5.637 in (143.18 mm). In service, this o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Fluorosilicone (FVMQ) is known for excellent ozone and UV stability, good compression set resistance in static duty. It resists petroleum oils, ozone and weathering, and extreme cold. Published continuous service range is -80°F (-62.2°C) to 350°F (176.7°C). It should not be specified for service in ketones or brake fluids.
Typical settings include high-altitude equipment, military ground vehicles, and aerospace and defense.
This item is sold individually under part number FS70253. Check the compound against your process media, pressure and temperature before committing to a design.
Description *568-253 FLUOROSILICONE 70 DURO ORING
Actual Cross Section 0.139 inch (3.53 mm)
Actual Inside Diameter 5.359 inch (136.12 mm)
Actual Outside Diameter 5.637 inch (143.18 mm)
Measurement System Imperial
Product Category O-Rings - Bulk - Premium