-208 BLACK BUNA 90D O-RING

Buna-N O-Ring, 0.609 in ID x 0.139 CS, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
208
Durometer
90 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/8 inch
Nominal Inside Diameter
5/8 inch
Nominal Outside Diameter
7/8 inch
Unit of Measure
EA
SKU:
H90208
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Product Specification

-
Ordered as H90208, this is an AS568-208 black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 0.609 in (15.47 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 0.887 in (22.53 mm). The o-ring creates a positive seal at flange, piston and rod interfaces without added hardware.

Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. This material stands up to petroleum-based oils, propane and butane, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

You will find this material specified across agricultural equipment, general industrial maintenance, and automotive.

This item is sold individually under part number H90208. Unit weight is approximately 0.8235 g and nominal inside diameter is listed as 5/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H90208
Description
-208 BLACK BUNA 90D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
0.609 inch (15.47 mm)
Actual Outside Diameter
0.887 inch (22.53 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity