8.4MM CS X 194.1MM ID BLACK BUNA 70D

Buna-N O-Ring, 8.4 x 194.1 mm, 70A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
29 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:
H8.4X194.1

Product Specification

-
Part number H8.4X194.1 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 194.1 mm (7.642 in), a cross section of 8.4 mm (0.331 in), and an outside diameter of 210.9 mm (8.3 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

It resists many alcohols, petroleum-based oils, and greases and lubricants. Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs and low compression set under sustained load. Published continuous service range is -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in strong acids or ozone and direct sunlight.

It sees regular use in fluid power, hydraulic and pneumatic systems, and construction equipment.

Order part number H8.4X194.1, sold individually. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H8.4X194.1
Description
8.4MM CS X 194.1MM ID BLACK BUNA 70D
Actual Outside Diameter
210.9 mm (8.3 inch)
Actual Cross Section
8.4 mm (0.331 inch)
Actual Inside Diameter
194.1 mm (7.642 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity