2MM CS X 43MM ID BLACK BUNA 70D

Buna-N O-Ring, 2 x 43 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:
H2X43
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Product Specification

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This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A with an inside diameter of 43 mm (1.693 in), a cross section of 2 mm (0.079 in), and an outside diameter of 47 mm (1.85 in), catalogued under part number H2X43. It compresses into its gland to block fluid or gas migration across a joint.

It resists greases and lubricants, propane and butane, and water. Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). Applications involving strong acids or automotive brake fluid call for a different compound.

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

Stocked as H2X43 and sold individually. Unit weight is approximately 0.559 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H2X43
Description
2MM CS X 43MM ID BLACK BUNA 70D
Actual Outside Diameter
47 mm (1.85 inch)
Actual Cross Section
2 mm (0.079 inch)
Actual Inside Diameter
43 mm (1.693 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity