3.5MM CS X 34MM ID BLACK BUNA 70D

Buna-N O-Ring, 3.5 x 34 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 2026
Material
Buna-N (Nitrile / NBR)
Durometer
70 Shore A
Cross Section Type
Round
Color
Black
Minimum Temperature
-40°F (-40°C)
Maximum Temperature
250°F (121°C)
Unit of Measure
EA
SKU:
H3.5X34
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 34 mm (1.339 in), a cross section of 3.5 mm (0.138 in), and an outside diameter of 41 mm (1.61 in), catalogued under part number H3.5X34. It creates a positive seal at flange, piston and rod interfaces without added hardware.

As a material, Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The material holds up against greases and lubricants, propane and butane, and hydraulic fluids. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Verify compatibility before use with polar solvents or ketones.

Typical settings include automotive, general industrial maintenance, and fluid power.

Reference part number H3.5X34 when ordering; the item is sold individually. Unit weight is approximately 1.405 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H3.5X34
Description
3.5MM CS X 34MM ID BLACK BUNA 70D
Actual Outside Diameter
41 mm (1.61 inch)
Actual Cross Section
3.5 mm (0.138 inch)
Actual Inside Diameter
34 mm (1.339 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity