3MM CS X 24.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 x 24.5 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:
H3X24.5
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 24.5 mm (0.965 in), a cross section of 3 mm (0.118 in), and an outside diameter of 30.5 mm (1.2 in), catalogued under part number H3X24.5. It creates a positive seal at flange, piston and rod interfaces without added hardware.

This material stands up to propane and butane, water, and many alcohols. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving polar solvents or automotive brake fluid call for a different compound.

It sees regular use in construction equipment, agricultural equipment, and general industrial maintenance.

This item is sold individually under part number H3X24.5. 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
H3X24.5
Description
3MM CS X 24.5MM ID BLACK BUNA 70D
Actual Outside Diameter
30.5 mm (1.2 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
24.5 mm (0.965 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity