-230 BLACK BUNA 70D O-RING

Buna-N O-Ring, 2.484 in ID x 0.139 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
230
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 1/2 inch
Nominal Outside Diameter
2 3/4 inch
Unit of Measure
EA
SKU:
H70230
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Product Specification

-
This o-ring is supplied in AS568-230 black Buna-N (Nitrile) 70 Shore A supplied with an inside diameter of 2.484 in (63.09 mm), a cross section of 0.139 in (3.53 mm), and an outside diameter of 2.762 in (70.15 mm), catalogued under part number H70230. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for low compression set under sustained load and economical choice for high-volume maintenance programs. The material holds up against petroleum-based oils, many alcohols, and water. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

You will find this material specified across construction equipment, agricultural equipment, and automotive.

Reference part number H70230 when ordering; the item is sold individually. Unit weight is approximately 0.0026 g and nominal inside diameter is listed as 2 1/2 inch. As always, verify media compatibility and operating conditions against the requirements of your specific application. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H70230
Description
-230 BLACK BUNA 70D O-RING
Actual Cross Section
0.139 inch (3.53 mm)
Actual Inside Diameter
2.484 inch (63.09 mm)
Actual Outside Diameter
2.762 inch (70.15 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity