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Steel Adapter, 9/16-18 Male SAE O-Ring Boss (Straight Thread O-Ring) Branch To 9/16-18 Male JIC 37 deg Flare Run, Tee

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Description & Features

This steel adapter features a tee configuration, designed for branching connections in hydraulic, instrumentation, and chemical processing systems.

The Eaton Aeroquip adapter features a 9/16-18 Male SAE O-Ring Boss (Straight Thread O-Ring) branch connection, along with a 9/16-18 Male JIC 37 deg Flare run connection. It measures 1.25 inches (A) and 1.06 inches (B) in key dimensions.

SKU: 203003-6-6S

Supplier Part Number (MPN): 203003-6-6S

Alternate Part Numbers: C1AX59, MI-00319660, MINO-00015F65542

Specifications

A
1.25
Alternate Part Numbers
Alternate Part Number C1AX59, Alternate Part Number MI-00319660, Alternate Part Number MINO-00015F65542
Application
Other - Hydraulic, instrumentation, and chemical processing systems
B
1.06
Drop Dimension
1.25
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13556
End Gender 3
13558
End Size 1
0.56
End Size 2
0.56
End Size 3
0.56
End Type 1
SAE 37
End Type 2
SAE 37
End Type 3
SAE 37
Hex Size 2
0.69
Hex Size 3
0.38
Minimum Working Temperature
-40
Seal Part if Included
22617-6
Supplier Part Number
203003-6-6S
Thread 1
9/16-18
Thread 2
9/16-18
Thread Sealant
No
Tube I.D. 1
0.29
Tube O.D.
0.38
Tube O.D.
0.38
Product Weight
0.17 lbs

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Product Questions & Answers (1)

Question by: Wade B on Oct 19, 2025, 8:46 PM
got a tee adapter here, but i need to know, are both ends 9/16-18 and what styles are they?
Answer by: Customer Support on Oct 21, 2025, 7:54 AM
Function-wise, it is a steel tee adapter that ties together two different connection styles at the same 9/16-18 thread size. The branch side is a 9/16-18 male SAE O-Ring Boss (straight thread O-ring) connection, and the run side is a 9/16-18 male JIC 37 degree flare connection.