5MM CS X 104MM ID BLACK BUNA 70D

Buna-N O-Ring, 5 x 104 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:
H5X104
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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 104 mm (4.094 in), a cross section of 5 mm (0.197 in), and an outside diameter of 114 mm (4.49 in), catalogued under part number H5X104. It seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

The compound resists propane and butane, hydraulic fluids, and water. Buna-N (Nitrile) offers the most widely specified general-purpose sealing elastomer and an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or strong acids.

Maintenance and OEM teams specify it across hydraulic and pneumatic systems, agricultural equipment, and general industrial maintenance.

This item is sold individually under part number H5X104. Unit weight is approximately 8.2115 g. Review your operating media and conditions against this specification before installation.
Item
H5X104
Description
5MM CS X 104MM ID BLACK BUNA 70D
Actual Outside Diameter
114 mm (4.49 inch)
Actual Cross Section
5 mm (0.197 inch)
Actual Inside Diameter
104 mm (4.094 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity