2.5MM CS X 13.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 13.5 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:
H2.5X13.5
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Product Specification

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The H2.5X13.5 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 13.5 mm (0.531 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 18.5 mm (0.73 in). This o-ring provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) delivers low compression set under sustained load, strong abrasion and tear resistance. The compound resists propane and butane, many alcohols, and greases and lubricants. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

You will find this material specified across general industrial maintenance, construction equipment, and automotive.

Order part number H2.5X13.5, sold individually. Check the compound against your process media, pressure and temperature before committing to a design. 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
H2.5X13.5
Description
2.5MM CS X 13.5MM ID BLACK BUNA 70D
Actual Outside Diameter
18.5 mm (0.73 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
13.5 mm (0.531 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity