5MM CS X 75MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 75 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:
H5X75
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Product Specification

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The H5X75 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 75 mm (2.953 in), a cross section of 5 mm (0.197 in), and an outside diameter of 85 mm (3.35 in). This o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Expect good resistance to greases and lubricants, many alcohols, and propane and butane. Buna-N (Nitrile) is specified for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). Applications involving polar solvents or ozone and direct sunlight call for a different compound.

Common environments for this compound include general industrial maintenance, agricultural equipment, and fluid power.

Order part number H5X75, sold individually. Unit weight is approximately 5.989 g. As always, verify media compatibility and operating conditions against the requirements of your specific application. 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
H5X75
Description
5MM CS X 75MM ID BLACK BUNA 70D
Actual Outside Diameter
85 mm (3.35 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
75 mm (2.953 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity