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5MM CS X 100MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 100 mm, 70A, Black, -40 to 250°F

Status
Available
Est. Ship Date
24 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:
H5X100
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A measuring an inside diameter of 100 mm (3.937 in), a cross section of 5 mm (0.197 in), and an outside diameter of 110 mm (4.33 in), catalogued under part number H5X100. It remains the most cost-effective sealing element available for pressurized assemblies.

This material stands up to propane and butane, greases and lubricants, and many alcohols. Buna-N (Nitrile) is specified for low compression set under sustained load and an economical choice for high-volume maintenance programs. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It is not the right choice where strong acids or automotive brake fluid are present.

Common environments for this compound include hydraulic and pneumatic systems, agricultural equipment, and fluid power.

This item is sold individually under part number H5X100. Unit weight is approximately 7.865 g. Review your operating media and conditions against this specification before installation. 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
H5X100
Description
5MM CS X 100MM ID BLACK BUNA 70D
Actual Outside Diameter
110 mm (4.33 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
100 mm (3.937 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity