2.5MM CS X 28MM ID BLACK BUNA 70D

Buna-N O-Ring, 2.5 x 28 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:
H2.5X28
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Product Specification

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H2.5X28 is a black Buna-N (Nitrile) 70 Shore A O-Ring with an inside diameter of 28 mm (1.102 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 33 mm (1.3 in). In service, this o-ring delivers dependable bidirectional sealing in a compact groove envelope.

Buna-N (Nitrile) is specified here for most widely specified general-purpose sealing elastomer and low compression set under sustained load. This material stands up to propane and butane, petroleum-based oils, and hydraulic fluids. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C). It should not be specified for service in automotive brake fluid or strong acids.

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

This item is sold individually under part number H2.5X28. Unit weight is approximately 0.57 g. Review your operating media and conditions against this specification before installation.
Item
H2.5X28
Description
2.5MM CS X 28MM ID BLACK BUNA 70D
Actual Outside Diameter
33 mm (1.3 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
28 mm (1.102 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity