2.5MM CS X 58MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 58 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:
H2.5X58
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Product Specification

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APG stocks the H2.5X58, a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 58 mm (2.283 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 63 mm (2.48 in). An o-ring remains the most cost-effective sealing element available for pressurized assemblies.

The material holds up against many alcohols, propane and butane, and water. Buna-N (Nitrile) is specified for strong abrasion and tear resistance, an economical choice for high-volume maintenance programs. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in ketones or automotive brake fluid.

It sees regular use in automotive, general industrial maintenance, and agricultural equipment.

Reference part number H2.5X58 when ordering; the item is sold individually. Unit weight is approximately 1.139 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H2.5X58
Description
2.5MM CS X 58MM ID BLACK BUNA 70D
Actual Outside Diameter
63 mm (2.48 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
58 mm (2.283 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity