2.5MM CS X 19MM ID BLACK BUNA 90D

Buna-N O-Ring, 2.5 x 19 mm, 90A, Black, -40 to 250°F

Status
Available
Est. Ship Date
31 Oct 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:
H90M2.5X19
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Product Specification

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APG stocks the H90M2.5X19, a black Buna-N (Nitrile) 90 Shore A O-Ring supplied with an inside diameter of 19 mm (0.748 in), a cross section of 2.5 mm (0.098 in), and an outside diameter of 24 mm (0.94 in). An o-ring delivers dependable bidirectional sealing in a compact groove envelope.

As a material, Buna-N (Nitrile) is valued for low compression set under sustained load and an economical choice for high-volume maintenance programs. The material holds up against petroleum-based oils, hydraulic fluids, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C). It is not the right choice where strong acids or automotive brake fluid are present.

Common environments for this compound include hydraulic and pneumatic systems, agricultural equipment, and construction equipment.

Reference part number H90M2.5X19 when ordering; the item is sold individually. Unit weight is approximately 0.4827 g. Check the compound against your process media, pressure and temperature before committing to a design.
Item
H90M2.5X19
Description
2.5MM CS X 19MM ID BLACK BUNA 90D
Actual Outside Diameter
24 mm (0.94 inch)
Actual Cross Section
2.5 mm (0.098 inch)
Actual Inside Diameter
19 mm (0.748 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity