2MM CS X 8.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 x 8.5 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 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:
H2X8.5
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Product Specification

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The H2X8.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 8.5 mm (0.335 in), a cross section of 2 mm (0.079 in), and an outside diameter of 12.5 mm (0.49 in). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for reliable performance in both static and dynamic service, economical choice for high-volume maintenance programs. The material holds up against many alcohols, petroleum-based oils, and propane and butane. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Maintenance and OEM teams specify it across automotive, construction equipment, and agricultural equipment.

Order part number H2X8.5, sold individually. Unit weight is approximately 0.1294 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H2X8.5
Description
2MM CS X 8.5MM ID BLACK BUNA 70D
Actual Outside Diameter
12.5 mm (0.49 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
8.5 mm (0.335 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity