Steel Adapter, 1-11-1/2 Male NPT Run To 1-5/16-12 Male JIC 37 deg Flare Run & Branch, Tee

Description & Features

This Eaton Aeroquip steel adapter features a tee configuration, designed for hydraulic, instrumentation, and chemical processing systems. It connects a 1-11-1/2 Male NPT run to a 1-5/16-12 Male JIC 37 deg Flare run and branch.

The dimensions of this steel adapter are as follows: A: 1.97, B: 1.81, and C: 1.81.

SKU: 2028-16-16S

Supplier Part Number (MPN): 2028-16-16S

Alternate Part Numbers: C1AX37, MI-00313847, MINO-00015F62338

Specifications

A
1.97
Alternate Part Numbers
Alternate Part Number C1AX37, Alternate Part Number MI-00313847, Alternate Part Number MINO-00015F62338
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 Size 1
1
End Type 1
NPTF
End Type 2
SAE 37
End Type 3
NPTF
Minimum Working Temperature
-65
Supplier Part Number
2028-16-16S
Thread 1
1-11-1/2
Thread 2
1-5/16-12
Thread Sealant
No
Tube O.D.
1
Tube O.D.
1
Product Weight
0.89 lbs

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Product Questions & Answers (3)

Question by: Ross C on Feb 11, 2026, 7:16 AM
got a tee with one male npt run and a male jic 37 flare on the other leg, is that what this 2028-16-16s is?
Answer by: Customer Support on Feb 13, 2026, 6:31 AM
For tying those two connection styles together, yes. It is a steel tee adapter with a 1-11-1/2 male NPTF on the run and a 1-5/16-12 male JIC SAE 37 degree flare on the run and branch.
Question by: Merle P on Feb 12, 2026, 7:24 PM
got a line that's running 1-inch NPT male on one end and needs to branch off with a 1-5/16-12 JIC male fitting, this tee handle that kind of setup?
Answer by: Customer Support on Feb 14, 2026, 6:42 AM
That's exactly what this fitting is built for. The run ports are 1-11/2 male NPT and the branch comes off as 1-5/16-12 male JIC 37 degree flare, so you've got both connection types covered in one piece. It's a steel tee from Eaton Aeroquip's 2028 series, meant for hydraulic, instrumentation, and chemical processing lines. The NPT side threads into a female pipe port and the JIC end connects to a standard 37 degree flare fitting. Solid choice for splitting a line where you've got mismatched thread types on either side.
Question by: Janice W on Sep 11, 2025, 9:21 AM
Will this tee fitting hold up in a hydraulic system on a tractor?
Answer by: Customer Support on Sep 13, 2025, 8:06 AM
It's designed for hydraulic, instrumentation, and chemical processing systems, so it should be suitable for a tractor's hydraulic system, assuming the pressure and media are compatible.