5MM CS X 68MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 68 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:
H5X68
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Product Specification

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H5X68 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 68 mm (2.677 in), a cross section of 5 mm (0.197 in), and an outside diameter of 78 mm (3.07 in). In service, this o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for economical choice for high-volume maintenance programs and low compression set under sustained load. Expect good resistance to petroleum-based oils, many alcohols, and greases and lubricants. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C).

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

Reference part number H5X68 when ordering; the item is sold individually. Unit weight is approximately 5.5196 g. Review your operating media and conditions against this specification before installation.
Item
H5X68
Description
5MM CS X 68MM ID BLACK BUNA 70D
Actual Outside Diameter
78 mm (3.07 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
68 mm (2.677 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity