-337 BROWN FKM 90D O-RING

Viton® O-Ring, 2.975 in ID x 0.21 CS, 90A, Brown, -15 to 400°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
337
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
3/16 inch
Nominal Inside Diameter
3 inch
Nominal Outside Diameter
3 3/8 inch
Unit of Measure
EA
SKU:
VB90337
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Product Specification

-
VB90337 is an AS568-337 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 2.975 in (75.57 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 3.395 in (86.23 mm). In service, this o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Viton® (FKM) is specified for the industry benchmark where nitrile reaches its thermal limit and very low compression set at elevated temperature. Expect good resistance to chlorinated solvents, engine and transmission fluids, and many acids. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). It is not the right choice where low-molecular-weight organic acids or amines are present.

Common environments for this compound include aerospace, high-temperature process equipment, and chemical processing.

This item is sold individually under part number VB90337. Unit weight is approximately 12.5792 g and nominal inside diameter is listed as 3 inch. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
VB90337
Description
-337 BROWN FKM 90D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
2.975 inch (75.57 mm)
Actual Outside Diameter
3.395 inch (86.23 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity