2.5MM CS X 11MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 11 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:
H2.5X11
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Product Specification

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Ordered as H2.5X11, this is a black Buna-N (Nitrile) 70 Shore A O-Ring measuring an inside diameter of 11 mm (0.433 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 16 mm (0.63 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for low compression set under sustained load, reliable performance in both static and dynamic service. It resists greases and lubricants, many alcohols, and propane and butane. Service temperature is rated from -40°F (-40°C) through 250°F (121.1°C). It should not be specified for service in automotive brake fluid or ketones.

It sees regular use in fluid power, construction equipment, and automotive.

Reference part number H2.5X11 when ordering; the item is sold individually. Unit weight is approximately 0.262 g. Application requirements vary, so validate compatibility with your process conditions prior to installation.
Item
H2.5X11
Description
2.5MM CS X 11MM ID BLACK BUNA 70D
Actual Outside Diameter
16 mm (0.63 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
11 mm (0.433 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity