-348 BROWN FKM 90D O-RING

Viton® O-Ring, 4.35 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
348
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
4 3/8 inch
Nominal Outside Diameter
4 3/4 inch
Unit of Measure
EA
SKU:
VB90348
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Product Specification

-
Part number VB90348 is an AS568-348 brown Viton® (FKM) 90 Shore A O-Ring supplied with an inside diameter of 4.35 in (110.49 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 4.77 in (121.16 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Viton® (FKM) offers the industry benchmark where nitrile reaches its thermal limit and outstanding high-temperature capability. The compound resists chlorinated solvents, aromatic hydrocarbons, and engine and transmission fluids. Service temperature is rated from -15°F (-26.1°C) through 400°F (204.4°C). Verify compatibility before use with amines or ketones and esters.

It sees regular use in automotive fuel systems, oil and gas, and aerospace.

This item is sold individually under part number VB90348. Unit weight is approximately 17.905 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
VB90348
Description
-348 BROWN FKM 90D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
4.35 inch (110.49 mm)
Actual Outside Diameter
4.77 inch (121.16 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity