4MM CS X 44MM ID BLACK BUNA 70D

Buna-N O-Ring, 4 x 44 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:
H4X44
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 44 mm (1.732 in), a cross section of 4 mm (0.157 in), and an outside diameter of 52 mm (2.05 in), catalogued under part number H4X44. It delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is valued for an economical choice for high-volume maintenance programs and the most widely specified general-purpose sealing elastomer. The compound resists many alcohols, water, and petroleum-based oils. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C).

You will find this material specified across fluid power, general industrial maintenance, and hydraulic and pneumatic systems.

Order part number H4X44, sold individually. Unit weight is approximately 0.0024 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H4X44
Description
4MM CS X 44MM ID BLACK BUNA 70D
Actual Outside Diameter
52 mm (2.05 inch)
Actual Cross Section
4 mm (0.157 inch)
Actual Inside Diameter
44 mm (1.732 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity