Ordered as FS70113, this is an AS568-113 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring supplied with an inside diameter of 0.549 in (13.94 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 0.755 in (19.18 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.
Fluorosilicone (FVMQ) is widely chosen for the standard choice for static aerospace fuel system seals and a very wide service temperature range. Expect good resistance to aromatic fuels and jet fuel, chlorinated solvents, and petroleum oils. The material carries a published service range of -80°F (-62.2°C) to 350°F (176.7°C). It should not be specified for service in brake fluids or hydrazine.
You will find this material specified across aerospace and defense, high-altitude equipment, and military ground vehicles.
Reference part number FS70113 when ordering; the item is sold individually. Unit weight is approximately 0.4536 g. Review your operating media and conditions against this specification before installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
description 568-113 FLUOROSILICONE 70 DURO ORINGS
Actual_CS 0.103 inch (2.62 mm)
Actual_ID 0.549 inch (13.94 mm)
Actual_OD 0.755 inch (19.18 )
ProductCode Description O-Rings - Bulk - Premium