2.65MM CS X 34.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.65 x 34.5 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:
H2.65X34.5
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Product Specification

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Ordered as H2.65X34.5, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 34.5 mm (1.358 in), a cross section of 2.65 mm (0.104 in), and an outside diameter of 39.8 mm (1.57 in). The o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) delivers reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. The material holds up against propane and butane, greases and lubricants, and hydraulic fluids. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with ketones or strong acids.

Common environments for this compound include fluid power, hydraulic and pneumatic systems, and construction equipment.

Reference part number H2.65X34.5 when ordering; the item is sold individually. Unit weight is approximately 0.7733 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H2.65X34.5
Description
2.65MM CS X 34.5MM ID BLACK BUNA 70D
Actual Outside Diameter
39.8 mm (1.57 inch)
Actual Cross Section
2.65 mm (0.104 inch)
Actual Inside Diameter
34.5 mm (1.358 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity