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Blue Anodized Aluminum Tube Fitting (AN 818), -04 JIC 37 deg Flare Nut

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Description & Features

Manufactured from blue anodized aluminum, this -04 dash size JIC fitting is designed for 37-degree flare connections commonly used in hydraulic and fluid power lines. The Blue Anodized Aluminum Tube Fitting (AN 818) is sourced from Eaton Aeroquip, a recognized name in performance fluid conveyance components.

The anodized aluminum construction reduces weight compared to steel alternatives while providing corrosion resistance suitable for a range of hydraulic fluid types. The 37-degree flare nut design conforms to JIC standards, making it compatible with standard AN/JIC flare tube assemblies across mobile and industrial hydraulic circuits.

The blue anodizing also serves as a quick visual identifier for dash size or fluid system designation in multi-line installations.

SKU: FBM3555

Supplier Part Number (MPN): FBM3555

Alternate Part Numbers: C1EB97

Specifications

A Dash Size
-04
Adjustable End
No
Brand
Danfoss Power Solution (Aeroquip High Performance)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
Supplier Part Number
FBM3555
Alternate Part Numbers
Alternate Part Number C1EB97
Product Weight
0.05 lbs

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Product Questions & Answers (1)

Question by: Dale R on Jan 21, 2026, 8:55 PM
got a -04 JIC line I'm trying to reconnect after swapping out a pump, this the right nut for that flare end?
Answer by: Customer Support on Jan 23, 2026, 6:27 AM
For a standard -04 JIC 37-degree flare connection, yes this is the correct nut. It follows JIC standards so it'll mate up with any AN/JIC flare tube assembly at that dash size. Eaton Aeroquip makes this one, so fitment on a properly flared tube end should be straightforward.