-311 BROWN FKM 75D O-RING

Viton® O-Ring, 0.537 in ID x 0.21 CS, 75A, Brown, -15 to 400°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
311
Durometer
75 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
9/16 inch
Nominal Outside Diameter
15/16 inch
Unit of Measure
EA
SKU:
VB75311
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Product Specification

-
Ordered as VB75311, this is an AS568-311 brown Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 0.537 in (13.64 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 0.957 in (24.31 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Viton® (FKM) offers excellent resistance to compression set and permeation, outstanding high-temperature capability. It resists aromatic hydrocarbons, engine and transmission fluids, and chlorinated solvents. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). It should not be specified for service in amines or hot water and steam.

You will find this material specified across chemical processing, semiconductor equipment, and high-temperature process equipment.

This item is sold individually under part number VB75311. Unit weight is approximately 2.7267 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
VB75311
Description
-311 BROWN FKM 75D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
0.537 inch (13.64 mm)
Actual Outside Diameter
0.957 inch (24.31 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity