-231 BROWN FKM 90D O-RING

Viton® O-Ring, 2.609 in ID x 0.139 CS, 90A, Brown, -15 to 400°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
231
Durometer
90 Shore A
Cross Section Type
Round
Color
Brown
Minimum Temperature
-15°F (-26°C)
Maximum Temperature
400°F (204°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
2 5/8 inch
Nominal Outside Diameter
2 7/8 inch
Unit of Measure
EA
SKU:
VB90231
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Product Specification

-
This o-ring is supplied in AS568-231 brown Viton® (FKM) 90 Shore A measuring an inside diameter of 2.609 in (66.27 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.887 in (73.33 mm), catalogued under part number VB90231. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Viton® (FKM) is specified for outstanding high-temperature capability and the industry benchmark where nitrile reaches its thermal limit. Expect good resistance to petroleum oils and fuels, aggressive chemicals, and chlorinated solvents. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C).

You will find this material specified across aerospace, chemical processing, and automotive fuel systems.

This item is sold individually under part number VB90231. Unit weight is approximately 4.8548 g and nominal inside diameter is listed as 2 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
VB90231
Description
-231 BROWN FKM 90D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
2.609 inch (66.27 mm)
Actual Outside Diameter
2.887 inch (73.33 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity