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3MM CS X 236MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 236 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
24 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 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:
H3X236
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 236 mm (9.291 in), a cross section of 3 mm (0.118 in), and an outside diameter of 242 mm (9.53 in), catalogued under part number H3X236. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

It resists hydraulic fluids, propane and butane, and many alcohols. Buna-N (Nitrile) is widely chosen for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where automotive brake fluid or ozone and direct sunlight are present.

Common environments for this compound include automotive, general industrial maintenance, and fluid power.

Stocked as H3X236 and sold individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H3X236
Description
3MM CS X 236MM ID BLACK BUNA 70D
Actual Outside Diameter
242 mm (9.53 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
236 mm (9.291 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity