-176 BLACK BUNA 70D O-RING

Buna-N O-Ring, 9.237 in ID x 0.103 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
176
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
9 1/4 inch
Nominal Outside Diameter
9 7/16 inch
Unit of Measure
EA
SKU:
H70176
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Product Specification

-
APG stocks the H70176, an AS568-176 black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 9.237 in (234.62 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 9.443 in (239.85 mm). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and most widely specified general-purpose sealing elastomer. Expect good resistance to hydraulic fluids, propane and butane, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in automotive brake fluid or ozone and direct sunlight.

It sees regular use in hydraulic and pneumatic systems, construction equipment, and agricultural equipment.

Order part number H70176, sold individually. Unit weight is approximately 4.9074 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H70176
Description
-176 BLACK BUNA 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
9.237 inch (234.62 mm)
Actual Outside Diameter
9.443 inch (239.85 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity