6MM CS X 79MM ID BLACK BUNA 70D

Buna-N O-Ring, 6 x 79 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:
H6X79
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Product Specification

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Ordered as H6X79, this is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 79 mm (3.11 in), a cross section of 6 mm (0.236 in), and an outside diameter of 91 mm (3.58 in). The o-ring compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs, reliable performance in both static and dynamic service. It resists many alcohols, 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 polar solvents or ketones.

Maintenance and OEM teams specify it across construction equipment, automotive, and fluid power.

This item is sold individually under part number H6X79. Unit weight is approximately 9.362 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H6X79
Description
6MM CS X 79MM ID BLACK BUNA 70D
Actual Outside Diameter
91 mm (3.58 inch)
Actual Cross Section
6 mm (0.236 inch)
Actual Inside Diameter
79 mm (3.11 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity