-902 BLACK BUNA 70D O-RING

Buna-N O-Ring, 0.239 in ID x 0.064 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
902
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Nominal Cross Section
1/16 inch
Nominal Inside Diameter
1/8 inch
Nominal Outside Diameter
1/4 inch
Unit of Measure
EA
SKU:
H70902
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Product Specification

-
This o-ring is supplied in AS568-902 black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 0.239 in (6.07 mm), a cross section of 0.064 in (1.63 mm), and an outside diameter of 0.367 in (9.32 mm), catalogued under part number H70902. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

As a material, Buna-N (Nitrile) is valued for reliable performance in both static and dynamic service, the most widely specified general-purpose sealing elastomer. The compound resists water, propane and butane, and petroleum-based oils. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or ketones are present.

Typical settings include automotive, fluid power, and agricultural equipment.

H70902 ships individually. Unit weight is approximately 0.0641 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H70902
Description
-902 BLACK BUNA 70D O-RING
Actual Cross Section
0.064 inch (1.63 mm)
Actual Inside Diameter
0.239 inch (6.07 mm)
Actual Outside Diameter
0.367 inch (9.32 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity