-141 BLACK BUNA 70D O-RING

Buna-N O-Ring, 2.3 in ID x 0.103 CS, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
2 Nov 2026
Material
Buna-N (Nitrile / NBR)
Dash Size
141
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
2 5/16 inch
Nominal Outside Diameter
2 1/2 inch
Unit of Measure
EA
SKU:
H70141
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Product Specification

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This o-ring is supplied in AS568-141 black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 2.3 in (58.42 mm), a cross section of 0.103 in (2.62 mm), and an outside diameter of 2.506 in (63.65 mm), catalogued under part number H70141. It creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against hydraulic fluids, propane and butane, and greases and lubricants. Buna-N (Nitrile) is known for low compression set under sustained load and the most widely specified general-purpose sealing elastomer. 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 strong acids.

Typical settings include general industrial maintenance, hydraulic and pneumatic systems, and agricultural equipment.

This item is sold individually under part number H70141. Unit weight is approximately 1.2626 g and nominal inside diameter is listed as 2 5/16 inch. Review your operating media and conditions against this specification before installation. If you need a size, durometer or compound that is not listed, APG can cross-reference from a print, a sample or a competitor part number.
Item
H70141
Description
-141 BLACK BUNA 70D O-RING
Actual Cross Section
0.103 inch (2.62 mm)
Actual Inside Diameter
2.3 inch (58.42 mm)
Actual Outside Diameter
2.506 inch (63.65 mm)
FDA Compliant
No
Measurement System
Imperial
Metal Detectable
No
NSF Certified
No
Product Code
6005
Product Category
O-Rings - Bulk - Commodity