2MM CS X 28MM ID BLACK BUNA 90D

Buna-N O-Ring, 2 x 28 mm, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
1 Nov 2026
Material
Buna-N (Nitrile / NBR)
Durometer
90 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:
H90M2X28
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Product Specification

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Ordered as H90M2X28, this is a black Buna-N (Nitrile) 90 Shore A O-Ring measuring an inside diameter of 28 mm (1.102 in), a cross section of 2 mm (0.079 in), and an outside diameter of 32 mm (1.26 in). The o-ring delivers dependable bidirectional sealing in a compact groove envelope.

This material stands up to water, propane and butane, and hydraulic fluids. That behavior comes from the compound itself: Buna-N (Nitrile) is valued for strong abrasion and tear resistance, the most widely specified general-purpose sealing elastomer. Continuous operating temperature is published at -40°F (-40°C) to 250°F (121.1°C).

It sees regular use in automotive, agricultural equipment, and construction equipment.

Reference part number H90M2X28 when ordering; the item is sold individually. Unit weight is approximately 0.3823 g. Review your operating media and conditions against this specification before installation. For a size or compound outside the standard catalog, APG can quote from a print or sample.
Item
H90M2X28
Description
2MM CS X 28MM ID BLACK BUNA 90D
Actual Outside Diameter
32 mm (1.26 inch)
Actual Cross Section
2 mm (0.079 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