2.5MM CS X 69MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 69 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:
H2.5X69
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Product Specification

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APG stocks the H2.5X69, a black Buna-N (Nitrile) 70 Shore A O-Ring built to an inside diameter of 69 mm (2.717 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 74 mm (2.91 in). An o-ring seats in a machined groove and forms a leak-tight barrier when compressed between two mating surfaces.

Buna-N (Nitrile) delivers an economical choice for high-volume maintenance programs, strong abrasion and tear resistance. The material holds up against greases and lubricants, water, and petroleum-based oils. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

Typical settings include construction equipment, automotive, and agricultural equipment.

H2.5X69 ships individually. Unit weight is approximately 1.369 g. Application requirements vary, so validate compatibility with your process conditions prior to installation. APG can cross-reference from an existing part number, a drawing or a physical sample if this size is not an exact match.
Item
H2.5X69
Description
2.5MM CS X 69MM ID BLACK BUNA 70D
Actual Outside Diameter
74 mm (2.91 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
69 mm (2.717 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity