-171 BLACK BUNA 70D O-RING

Buna-N O-Ring, 7.987 in ID x 0.103 CS, 70A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
3 Feb 2027
Material
Buna-N (Nitrile / NBR)
Dash Size
171
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
3/32 inch
Nominal Inside Diameter
8 inch
Nominal Outside Diameter
8 3/16 inch
Unit of Measure
EA
SKU:
H70171
Please login to see price and add to cart

Product Specification

-
Ordered as H70171, this is an AS568-171 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 7.987 in (202.87 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 8.193 in (208.1 mm). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

As a material, Buna-N (Nitrile) is valued for low compression set under sustained load, reliable performance in both static and dynamic service. Expect good resistance to water, greases and lubricants, and many alcohols. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving polar solvents or ketones call for a different compound.

Common environments for this compound include fluid power, hydraulic and pneumatic systems, and construction equipment.

Order part number H70171, sold individually. Unit weight is approximately 4.31 g and nominal inside diameter is listed as 8 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H70171
Description
-171 BLACK BUNA 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
7.987 inch (202.87 mm)
Actual Outside Diameter
8.193 inch (208.1 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity