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Steel Adapter, 1-5/16-12 Male SAE O-Ring Boss (Straight Thread O-Ring) Run To 1-5/16-12 Male JIC 37 deg Flare Run & Branch, Tee

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Description & Features

This steel adapter features a 1-5/16-12 Male SAE O-Ring Boss (Straight Thread O-Ring) run to 1-5/16-12 Male JIC 37 deg Flare run and branch, tee connection.

Designed for use in hydraulic, instrumentation, and chemical processing systems, this Eaton Aeroquip fitting ensures reliable performance in demanding applications.

SKU: 203005-16-16S

Supplier Part Number (MPN): 203005-16-16S

Alternate Part Numbers: C1ES74, MI-00319451, MINO-00015F65435

Specifications

A
2.05
Alternate Part Numbers
Alternate Part Number C1ES74, Alternate Part Number MI-00319451, Alternate Part Number MINO-00015F65435
Application
Other - Hydraulic, instrumentation, and chemical processing systems
B
1.81
C
1.81
Drop Dimension
1.81
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 Type 1
SAE 37
End Type 2
SAE 37
End Type 3
SAE 37
Hex Size 2
1.50
Hex Size 3
1
Minimum Working Temperature
-40
Seal Part if Included
22617-16
Supplier Part Number
203005-16-16S
Thread 1
1-5/16-12
Thread 2
1-5/16-12
Thread Sealant
No
Tube I.D. 1
0.84
Tube O.D.
1
Tube O.D.
1
Product Weight
1.02 lbs

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Product Questions & Answers (3)

Question by: Rod H on Feb 14, 2026, 7:31 AM
trying to swap out a tee on a hydraulic line, is this one male o-ring boss to male jic on all three ends?
Answer by: Customer Support on Feb 15, 2026, 3:00 PM
Function-wise, it is a steel tee adapter that ties a straight thread SAE O-Ring Boss connection into JIC 37 degree flare connections. All three ends are listed as male, with 1-5/16-12 threads on the run and the branch.
Question by: Warren L on Mar 7, 2026, 2:00 PM
trying to tie into a line that’s already 1-5/16-12 ORB, will this tee let me run JIC off the branch?
Answer by: Customer Support on Mar 9, 2026, 10:02 AM
Set up for exactly that kind of split, it has a 1-5/16-12 male SAE O-ring boss on one side and 1-5/16-12 male JIC 37 degree flare connections for the other run and the branch, in a tee layout.
Question by: Kurt J on Mar 22, 2026, 8:42 PM
what industries or systems is this tee adapter actually meant for?
Answer by: Customer Support on Mar 24, 2026, 6:38 AM
Hydraulic systems are the primary fit, but this adapter also sees use in instrumentation and chemical processing setups. Anywhere you need a reliable tee connection with SAE O-Ring Boss on the run port and JIC 37-degree flare on the branch and run ends, this is a workable solution. Eaton Aeroquip built it for real-world industrial use, not just one narrow application.