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-227 BLACK BUNA 70D O-RING

Buna-N O-Ring, 2.109 in ID x 0.139 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
23 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
227
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
1/8 inch
Nominal Inside Diameter
2 1/8 inch
Nominal Outside Diameter
2 3/8 inch
Unit of Measure
EA
SKU:
H70227
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Product Specification

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This o-ring is supplied in AS568-227 black Buna-N (Nitrile) 70 Shore A with an inside diameter of 2.109 in (53.57 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.387 in (60.63 mm), catalogued under part number H70227. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

This material stands up to water, hydraulic fluids, and many alcohols. Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and low compression set under sustained load. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include agricultural equipment, general industrial maintenance, and hydraulic and pneumatic systems.

H70227 ships individually. Unit weight is approximately 2.196 g and nominal inside diameter is listed as 2 1/8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H70227
Description
-227 BLACK BUNA 70D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
2.109 inch (53.57 mm)
Actual Outside Diameter
2.387 inch (60.63 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity