7MM CS X 234.3MM ID BLACK BUNA 90D

Buna-N O-Ring, 7 x 234.3 mm, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
90 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H90M7X234.3
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Product Specification

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Ordered as H90M7X234.3, this is a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 234.3 mm (9.224 in), a cross section of 7 mm (0.276 in), and an outside diameter of 248.3 mm (9.78 in). The o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. The material holds up against propane and butane, greases and lubricants, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in polar solvents or ketones.

You will find this material specified across fluid power, automotive, and general industrial maintenance.

H90M7X234.3 ships individually. As always, verify media compatibility and operating conditions against the requirements of your specific application.
Item
H90M7X234.3
Description
7MM CS X 234.3MM ID BLACK BUNA 90D
Actual Outside Diameter
248.3 mm (9.78 inch)
Actual Cross Section
7 mm (0.276 inch)
Actual Inside Diameter
234.3 mm (9.224 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity