3MM CS X 13.5MM ID BLACK BUNA 70D

Buna-N O-Ring, 3 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:
H3X13.5
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Product Specification

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APG stocks the H3X13.5, a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 13.5 mm (0.531 in), a cross section of 3 mm (0.118 in), and an outside diameter of 19.5 mm (0.77 in). An o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer, strong abrasion and tear resistance. This material stands up to petroleum-based oils, greases and lubricants, and propane and butane. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). Applications involving ketones or strong acids call for a different compound.

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

This item is sold individually under part number H3X13.5. Unit weight is approximately 0.4554 g. Check the compound against your process media, pressure and temperature before committing to a design. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H3X13.5
Description
3MM CS X 13.5MM ID BLACK BUNA 70D
Actual Outside Diameter
19.5 mm (0.77 inch)
Actual Cross Section
3 mm (0.118 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