-266 BLACK FKM 75D O-RING

Viton® O-Ring, 7.984 in ID x 0.139 CS, 75A, Black, -15 to 400°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Fluoroelastomer (FKM/Viton)
Dash Size
266
Durometer
75 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-15°F (-26°C)
Maximum Temperature
400°F (204°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
8 inch
Nominal Outside Diameter
8 1/4 inch
Unit of Measure
EA
SKU:
V70266
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Product Specification

-
The V70266 is an AS568-266 black Viton® (FKM) 75 Shore A O-Ring supplied with an inside diameter of 7.984 in (202.79 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 8.262 in (209.85 mm). This o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Viton® (FKM) is specified here for very low compression set at elevated temperature, excellent resistance to compression set and permeation. It resists aromatic hydrocarbons, petroleum oils and fuels, and aggressive chemicals. Continuous operating temperature is published at -15°F (-26.1°C) to 400°F (204.4°C). Exposure to hot water and steam or ketones and esters will shorten service life.

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

Reference part number V70266 when ordering; the item is sold individually. Unit weight is approximately 11.566 g. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
V70266
Description
-266 BLACK FKM 75D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
7.984 inch (202.79 mm)
Actual Outside Diameter
8.262 inch (209.85 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity