2.5MM CS X 126MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 126 mm, 70A, Black, -40 to 250°F

Status
Out of Stock
Est. Ship Date
30 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:
H2.5X126

Product Specification

-
This o-ring is supplied in black Buna-N (Nitrile) 70 Shore A built to an inside diameter of 126 mm (4.961 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 131 mm (5.16 in), catalogued under part number H2.5X126. It compresses into its gland to block fluid or gas migration across a joint.

Buna-N (Nitrile) is valued for low compression set under sustained load and an economical choice for high-volume maintenance programs. The compound resists water, petroleum-based oils, and greases and lubricants. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service.

Common environments for this compound include hydraulic and pneumatic systems, fluid power, and agricultural equipment.

This item is sold individually under part number H2.5X126. Unit weight is approximately 2.459 g. Check the compound against your process media, pressure and temperature before committing to a design. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H2.5X126
Description
2.5MM CS X 126MM ID BLACK BUNA 70D
Actual Outside Diameter
131 mm (5.16 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
126 mm (4.961 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity