2MM CS X 66MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 x 66 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:
H2X66
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Product Specification

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Part number H2X66 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 66 mm (2.598 in), a cross section of 2 mm (0.079 in), and an outside diameter of 70 mm (2.76 in). An o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

The compound resists many alcohols, hydraulic fluids, and greases and lubricants. Buna-N (Nitrile) is valued for the most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ozone and direct sunlight or ketones.

It sees regular use in construction equipment, automotive, and fluid power.

This item is sold individually under part number H2X66. Unit weight is approximately 0.8393 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H2X66
Description
2MM CS X 66MM ID BLACK BUNA 70D
Actual Outside Diameter
70 mm (2.76 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
66 mm (2.598 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity