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Steel Adapter, 3/8-18 Female NPT Branch To 3/4-16 Male JIC 37 deg Flare Run, Tee

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Description & Features

This Eaton Aeroquip steel adapter features a tee configuration with a 3/8-18 female NPT branch and a 3/4-16 male JIC 37-degree flare run.

Designed for use in hydraulic, instrumentation, and chemical processing systems, this tee adapter, catalog number C1AX71, offers reliable performance in demanding environments. It measures 1.02 inches (A) and 1.26 inches (B) in key dimensions.

SKU: 2031-6-8S

Supplier Part Number (MPN): 2031-6-8S

Alternate Part Numbers: C1AX71, MI-00314276, MINO-00015F62725

Specifications

A
1.02
Alternate Part Numbers
Alternate Part Number C1AX71, Alternate Part Number MI-00314276, Alternate Part Number MINO-00015F62725
Application
Other - Hydraulic, instrumentation, and chemical processing systems
B
1.26
Drop Dimension
1.02
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
13557
End Size 1
0.75
End Size 2
0.75
End Size 3
0.38
End Type 1
SAE 37
End Type 2
SAE 37
End Type 3
Line/Hose/Tube
Minimum Working Temperature
-65
Supplier Part Number
2031-6-8S
Thread 1
3/8-18
Thread 2
3/4-16
Thread Sealant
No
Tube O.D.
0.50
Tube O.D.
0.5
Product Weight
0.51 lbs

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Product Questions & Answers (3)

Question by: Tony H on Jul 31, 2025, 6:27 AM
Will this tee fitting work for connecting a pressure gauge in my hydraulic system?
Answer by: Customer Support on Aug 2, 2025, 6:24 AM
This tee adapter can certainly be used in hydraulic, instrumentation, and chemical processing systems. It provides a branch point for connections like pressure gauges.
Question by: Janet B on Nov 11, 2025, 11:02 AM
been trying to sort out a tee fitting that'll branch off a female NPT line and tie into a JIC flare run -- this the right kind of part for that setup?
Answer by: Customer Support on Nov 12, 2025, 6:55 PM
That's exactly what this fitting handles. The branch side accepts a 3/8-18 female NPT connection, and the run side terminates in a 3/4-16 male JIC 37-degree flare. So if you've got a pipe-threaded branch point and need to feed into a JIC flare line, this tee adapter bridges both thread types in one piece without stacking extra fittings together.
Question by: Diane B on Jul 9, 2025, 2:14 PM
trying to tee off a 3/8-18 female NPT branch but keep the main line JIC, is that what this adapter does?
Answer by: Customer Support on Jul 11, 2025, 6:13 AM
Function-wise, it is a tee adapter with a 3/8-18 female NPT branch port and a 3/4-16 male JIC 37 degree flare run connection, so you can add a branch off the line while staying in JIC on the run side.