3MM CS X 69.5MM ID BLACK BUNA 90D

Buna-N O-Ring, 3 x 69.5 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:
H90M3X69.5
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Product Specification

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Ordered as H90M3X69.5, this is a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 69.5 mm (2.736 in), a cross section of 3 mm (0.118 in), and an outside diameter of 75.5 mm (2.97 in). The o-ring remains the most cost-effective sealing element available for pressurized assemblies.

Buna-N (Nitrile) is specified here for low compression set under sustained load and most widely specified general-purpose sealing elastomer. It resists many alcohols, hydraulic fluids, and water. Rated temperature range runs from -40°F (-40°C) to 250°F (121.1°C) in continuous service. It should not be specified for service in ozone and direct sunlight or polar solvents.

Typical settings include hydraulic and pneumatic systems, agricultural equipment, and construction equipment.

This item is sold individually under part number H90M3X69.5. Confirm chemical compatibility, pressure and temperature against your own application requirements before installing. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H90M3X69.5
Description
3MM CS X 69.5MM ID BLACK BUNA 90D
Actual Outside Diameter
75.5 mm (2.97 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
69.5 mm (2.736 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity