4MM CS X 192MM ID BLACK BUNA 70D

Buna-N O-Ring, 4 x 192 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:
H4X192
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Product Specification

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Part number H4X192 is a black Buna-N (Nitrile) 70 Shore A O-Ring supplied with an inside diameter of 192 mm (7.559 in), a cross section of 4 mm (0.157 in), and an outside diameter of 200 mm (7.87 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

It resists petroleum-based oils, water, and greases and lubricants. Buna-N (Nitrile) is widely chosen for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. 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 automotive brake fluid.

Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and automotive.

H4X192 ships individually. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H4X192
Description
4MM CS X 192MM ID BLACK BUNA 70D
Actual Outside Diameter
200 mm (7.87 inch)
Actual Cross Section
4 mm (0.157 inch)
Actual Inside Diameter
192 mm (7.559 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity