3MM CS X 104.5MM ID BLACK BUNA 90D

Buna-N O-Ring, 3 x 104.5 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:
H90M3X104.5
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Product Specification

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APG stocks the H90M3X104.5, a black Buna-N (Nitrile) 90 Shore A O-Ring built to an inside diameter of 104.5 mm (4.114 in), a cross section of 3 mm (0.118 in), and an outside diameter of 110.5 mm (4.35 in). An 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, strong abrasion and tear resistance. The material holds up against hydraulic fluids, propane and butane, and water. The material carries a published service range of -40°F (-40°C) to 250°F (121.1°C).

Common environments for this compound include hydraulic and pneumatic systems, general industrial maintenance, and agricultural equipment.

Stocked as H90M3X104.5 and sold individually. Review your operating media and conditions against this specification before installation. Not finding the exact configuration you need? APG cross-references from prints, samples and competitor part numbers.
Item
H90M3X104.5
Description
3MM CS X 104.5MM ID BLACK BUNA 90D
Actual Outside Diameter
110.5 mm (4.35 inch)
Actual Cross Section
3 mm (0.118 inch)
Actual Inside Diameter
104.5 mm (4.114 inch)
FDA Compliant
No
Measurement System
Metric
Metal Detectable
No
NSF Certified
No
Product Code
6015
Product Category
O-Rings - Metric - Commodity