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-472 BLACK BUNA 70D O-RING

Buna-N O-Ring, 22.94 in ID x 0.275 CS, 70A, Black, Metal Det., -40 to 250°F

Status
Out of Stock
Est. Ship Date
21 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
472
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
1/4 inch
Nominal Inside Diameter
23 inch
Nominal Outside Diameter
23 1/2 inch
Unit of Measure
EA
SKU:
H70MD472

Product Specification

-
The H70MD472 is an AS568-472 black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 22.94 in (582.68 mm), a cross section of 0.275 in (6.99 mm), and an outside diameter of 23.49 in (596.65 mm). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, reliable performance in both static and dynamic service. Expect good resistance to water, propane and butane, and hydraulic fluids. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. Applications involving polar solvents or ketones call for a different compound.

This o-ring is metal detectable for HACCP and foreign-body control programs. You will find this material specified across general industrial maintenance, hydraulic and pneumatic systems, and fluid power.

Order part number H70MD472, sold individually. Nominal inside diameter is listed as 23 inch. Application requirements vary, so validate compatibility with your process conditions prior to installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H70MD472
Description
-472 BLACK BUNA 70D O-RING
Actual Cross Section
0.275 inch (6.99 mm)
Actual Inside Diameter
22.94 inch (582.68 mm)
Actual Outside Diameter
23.49 inch (596.65 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
Yes
NSF Certified
No
Product Code
6012
Product Category
O-Rings - FDA / Metal Detectable