5.3MM CS X 60MM ID BLACK BUNA 70D

Buna-N O-Ring, 5.3 x 60 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:
H5.3X60
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Product Specification

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H5.3X60 is a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 60 mm (2.362 in), a cross section of 5.3 mm (0.209 in), and an outside diameter of 70.6 mm (2.78 in). In service, this o-ring compresses into its gland to block fluid or gas migration across a joint.

As a material, Buna-N (Nitrile) is specified for the most widely specified general-purpose sealing elastomer and low compression set under sustained load. This material stands up to water, petroleum-based oils, and propane and butane. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in ozone and direct sunlight or automotive brake fluid.

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

This item is sold individually under part number H5.3X60. Unit weight is approximately 5.6294 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H5.3X60
Description
5.3MM CS X 60MM ID BLACK BUNA 70D
Actual Outside Diameter
70.6 mm (2.78 inch)
Actual Cross Section
5.3 mm (0.209 inch)
Actual Inside Diameter
60 mm (2.362 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity