568-371 FLUOROSILICONE 70 DURO ORINGS

Fluorosilicone O-Ring, 8.475 in ID x 0.21 CS, 70A, Blue, -80 to 350°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluorosilicone
Dash Size
371
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
3/16 inch
Nominal Inside Diameter
8 1/2 inch
Nominal Outside Diameter
8 7/8 inch
Unit of Measure
EA
SKU:
FS70371
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Product Specification

-
Part number FS70371 is an AS568-371 blue Fluorosilicone (FVMQ) 70 Shore A O-Ring built to an inside diameter of 8.475 in (215.27 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 8.895 in (225.93 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

The material holds up against aromatic fuels and jet fuel, petroleum oils, and extreme cold. Fluorosilicone (FVMQ) delivers a very wide service temperature range and the standard choice for static aerospace fuel system seals. Rated temperature range runs from -80°F (-62.2°C) to 350°F (176.7°C) in continuous service.

Common environments for this compound include high-altitude equipment, aerospace and defense, and aviation fuel systems.

Order part number FS70371, sold individually. Unit weight is approximately 22.122 g. Check the compound against your process media, pressure and temperature before committing to a design. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Item
FS70371
Description
568-371 FLUOROSILICONE 70 DURO ORINGS
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
8.475 inch (215.27 mm)
Actual Outside Diameter
8.895 inch (225.93 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6006
Product Category
O-Rings - Bulk - Premium