-392 BLACK BUNA 70D O-RING

Buna-N O-Ring, 22.94 in ID x 0.21 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
392
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
3/16 inch
Nominal Inside Diameter
23 inch
Nominal Outside Diameter
23 3/8 inch
Unit of Measure
EA
SKU:
H70392
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Product Specification

-
The H70392 is an AS568-392 black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 22.94 in (582.68 mm), a cross section of 0.21 in (5.33 mm), and an outside diameter of 23.36 in (593.34 mm). This o-ring compresses into its gland to block fluid or gas migration across a joint.

Expect good resistance to water, petroleum-based oils, and greases and lubricants. Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in agricultural equipment, construction equipment, and automotive.

This item is sold individually under part number H70392. Unit weight is approximately 50.338 g and nominal inside diameter is listed as 23 inch. Review your operating media and conditions against this specification before installation.
Item
H70392
Description
-392 BLACK BUNA 70D O-RING
Actual Cross Section
0.21 inch (5.33 mm)
Actual Inside Diameter
22.94 inch (582.68 mm)
Actual Outside Diameter
23.36 inch (593.34 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity