2.5MM CS X 98MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 98 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:
H2.5X98
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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 98 mm (3.858 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 103 mm (4.06 in), catalogued under part number H2.5X98. It creates a positive seal at flange, piston and rod interfaces without added hardware.

The material holds up against water, hydraulic fluids, and propane and butane. Buna-N (Nitrile) is known for strong abrasion and tear resistance, reliable performance in both static and dynamic service. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in hydraulic and pneumatic systems, agricultural equipment, and fluid power.

This item is sold individually under part number H2.5X98. Unit weight is approximately 1.92 g. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing.
Item
H2.5X98
Description
2.5MM CS X 98MM ID BLACK BUNA 70D
Actual Outside Diameter
103 mm (4.06 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
98 mm (3.858 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity