Ordered as FS70364, this is an AS568-364 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring built to an inside diameter of 6.725 in (170.82 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 7.145 in (181.48 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Fluorosilicone (FVMQ) offers excellent ozone and UV stability, good compression set resistance in static duty. It resists extreme cold, aromatic fuels and jet fuel, and petroleum oils. Rated temperature range runs from -80°F (-62.2°C) to 350°F (176.7°C) in continuous service. Exposure to ketones or brake fluids will shorten service life.
It sees regular use in aviation fuel systems, aerospace and defense, and high-altitude equipment.
Order part number FS70364, sold individually. Unit weight is approximately 17.333 g and nominal inside diameter is listed as 6 3/4 inch. Check the compound against your process media, pressure and temperature before committing to a design. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 568-364 FLUOROSILICONE 70 DURO ORINGS
Actual_CS 0.21 inch (5.33 mm)
Actual_ID 6.725 inch (170.82 mm)
Actual_OD 7.145 inch (181.48 mm)
ProductCode Description O-Rings - Bulk - Premium