568-242 FLUOROSILICONE 70 DURO ORINGS

Fluorosilicone O-Ring, 3.984 in ID x 0.139 CS, 70A, Blue, -80 to 350°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluorosilicone
Dash Size
242
Durometer
70 Shore A
Cross Section Type
Round
Color
Blue
Minimum Temperature
-80°F (-62.2°C)
Maximum Temperature
350°F (177°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
4 inch
Nominal Outside Diameter
4 1/4 inch
Unit of Measure
EA
SKU:
FS70242
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Product Specification

-
Ordered as FS70242, this is an AS568-242 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring measuring an inside diameter of 3.984 in (101.19 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 4.262 in (108.25 mm). The o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Fluorosilicone (FVMQ) is specified for a very wide service temperature range and silicone's low-temperature flexibility combined with fuel resistance. The material holds up against extreme cold, petroleum oils, and aromatic fuels and jet fuel. Service temperature is rated from -80°F (-62.2°C) through 350°F (176.7°C). It should not be specified for service in brake fluids or high-temperature dynamic service.

Typical settings include aviation fuel systems, military ground vehicles, and high-altitude equipment.

FS70242 ships individually. Unit weight is approximately 4.7038 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
FS70242
Description
568-242 FLUOROSILICONE 70 DURO ORINGS
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
3.984 inch (101.19 mm)
Actual Outside Diameter
4.262 inch (108.25 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium