2MM CS X 44MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 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:
H2X44
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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 2 mm (0.079 in), and an outside diameter of 48 mm (1.89 in), catalogued under part number H2X44. It provides a reliable static or dynamic seal by deforming into its gland under assembly load.

Buna-N (Nitrile) is known for reliable performance in both static and dynamic service, an economical choice for high-volume maintenance programs. Expect good resistance to greases and lubricants, water, and many alcohols. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). Verify compatibility before use with strong acids or automotive brake fluid.

Typical settings include general industrial maintenance, construction equipment, and agricultural equipment.

H2X44 ships individually. Unit weight is approximately 0.563 g. Check the compound against your process media, pressure and temperature before committing to a design. APG supports cross-referencing from drawings, samples and competitor numbers when a listed size is not an exact fit.
Item
H2X44
Description
2MM CS X 44MM ID BLACK BUNA 70D
Actual Outside Diameter
48 mm (1.89 inch)
Actual Cross Section
2 mm (0.079 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