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Steel Adapter, 9/16-18 Male JIC 37 deg Flare To 9/16-18 Male JIC 37 deg Flare, 90 deg Elbow

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Description & Features

Ideal for demanding environments, the Eaton Aeroquip Steel Adapter features a 90-degree elbow design, seamlessly connecting 9/16-18 male JIC fittings with a 37-degree flare. This robust adapter is constructed from durable steel, ensuring reliable performance in marine, military, chemical processing, pulp and paper, food and beverage processing, and off-shore drilling applications. Precision-engineered by Danfoss / Eaton, it guarantees optimal fluid compatibility and efficient system integration.

This adapter, catalog number C1AY19, is part of the Danfoss / Eaton 2039 Series, known for its reliable performance and adaptability across various industrial sectors. Its compact dimensions, with an attribute A and B both measuring 1.06, provide a perfect fit for space-constrained applications, delivering consistent and secure connections.

SKU: 2039-6-6S

Supplier Part Number (MPN): 2039-6-6S

Alternate Part Numbers: C1AY19, MI-00313564, MINO-00015F62198

Specifications

A
1.06
Alternate Part Numbers
Alternate Part Number C1AY19, Alternate Part Number MI-00313564, Alternate Part Number MINO-00015F62198
Application
Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling
B
1.06
Drop Dimension
1.06
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13556
End Size 1
0.56
End Size 2
0.56
End Type 1
SAE 37
End Type 2
SAE 37
Minimum Working Temperature
-65
Supplier Part Number
2039-6-6S
Thread 1
9/16-18
Thread 2
9/16-18
Thread Sealant
No
Tube O.D.
0.38
Tube O.D.
0.38
Product Weight
0.09 lbs

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Product Questions & Answers (3)

Question by: Rhonda A on Dec 30, 2025, 8:32 AM
Will this elbow adapter work for a hydraulic setup on my fishing boat?
Answer by: Customer Support on Jan 1, 2026, 6:25 AM
This Eaton Aeroquip elbow adapter is often used in marine applications, so it should work just fine for your boat's hydraulic system.
Question by: Todd W on Oct 18, 2025, 8:56 AM
i’ve got two 9/16-18 JIC lines and need to turn one of em 90 degrees, is this the right elbow adapter?
Answer by: Customer Support on Oct 19, 2025, 8:23 PM
Function-wise it matches that job. It is a 90 degree elbow adapter with 9/16-18 male JIC 37 degree flare on both ends, so it connects two same-size JIC flare fittings while changing the direction.
Question by: Phil H on May 24, 2025, 4:47 PM
runs on both ends being the same size fitting, is that right for a 9/16-18 JIC on each side, or am i reading this wrong?
Answer by: Customer Support on May 26, 2025, 7:02 AM
Both ends are identical on this one. You've got 9/16-18 male JIC 37 degree flare on each side, so it's a same-size male-to-male elbow, not a reducer or transition fitting. That 90 degree bend is what makes it useful when you need to turn a line direction without threading in an extra piece or fighting a hose around a tight corner.