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8MM CS X 20MM ID BLACK BUNA 70D

Buna-N O-Ring, 8 x 20 mm, 70A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
22 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:
H8X20

Product Specification

-
This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 20 mm (0.787 in), a cross section of 8 mm (0.315 in), and an outside diameter of 36 mm (1.42 in), catalogued under part number H8X20. It delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Expect good resistance to many alcohols, petroleum-based oils, and water. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or ozone and direct sunlight.

It sees regular use in agricultural equipment, general industrial maintenance, and fluid power.

Order part number H8X20, sold individually. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H8X20
Description
8MM CS X 20MM ID BLACK BUNA 70D
Actual Outside Diameter
36 mm (1.42 inch)
Actual Cross Section
8 mm (0.315 inch)
Actual Inside Diameter
20 mm (0.787 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity