-203 BROWN FKM 90D O-RING

Viton® O-Ring, 0.296 in ID x 0.139 CS, 90A, Brown, -15 to 400°F

Status
Out of Stock
Est. Ship Date
22 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
203
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
5/16 inch
Nominal Outside Diameter
9/16 inch
Unit of Measure
EA
SKU:
VB90203

Product Specification

-
APG stocks the VB90203, an AS568-203 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 0.296 in (7.52 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.574 in (14.58 mm). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Viton® (FKM) is specified for very low compression set at elevated temperature and long service life in hot, chemically aggressive environments. The material holds up against chlorinated solvents, many acids, and engine and transmission fluids. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Applications involving low-molecular-weight organic acids or ketones and esters call for a different compound.

You will find this material specified across semiconductor equipment, automotive fuel systems, and high-temperature process equipment.

This item is sold individually under part number VB90203. Nominal inside diameter is listed as 5/16 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
VB90203
Description
-203 BROWN FKM 90D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
0.296 inch (7.52 mm)
Actual Outside Diameter
0.574 inch (14.58 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity