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Steel Adapter, 1/4-18 Male NPT 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 with a 1/4-18 male NPT branch connection and a 9/16-18 male JIC 37-degree flare run connection.

Manufactured by Eaton Aeroquip, this tee adapter is suitable for hydraulic, instrumentation, and chemical processing systems. The Eaton Aeroquip 2030 Series Steel Adapter, 1/4-18 Male NPT Branch To 9/16-18 Male JIC 37 deg Flare Run, Tee ensures reliable performance in demanding applications.

SKU: 2030-4-6S

Supplier Part Number (MPN): 2030-4-6S

Alternate Part Numbers: C1AX51, MI-00313997, MINO-00015F62467

Specifications

a Dimensions
1.09 in
b Dimensions
1.06 in
Connection Size 1
3/8 in
Connection Size 2
3/8 in
Connection Type
Male JIC, MNPT
Connection Type 1
Male SAE 37 deg JIC Flare
Connection Type 2
Male SAE 37 deg JIC Flare
Connection Type 3
Male NPTF
Dimension Standards
SAE 070425/J514
Dimensions
2.12 in L
Drop Dimensions
1.09 in
Finish
Dura-Kote™
Fitting Type
Tee
Material
Steel
Material Construction
Carbon Steel
Operating Temperature
-65
Series
2030 Series
Thread Size
1/4-18 x 9/16-18
Tube OD
3/8 in

Product Questions & Answers (3)

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Question by: Jerry S on Dec 27, 2025, 5:18 PM
got a tee fitting here with 1/4-18 NPT on the branch port, does this one match up with a 9/16-18 JIC on the run ends?
Answer by: Customer Support on Dec 28, 2025, 9:53 PM
That's what this fitting does. The branch port is 1/4-18 male NPT, and the run connections are 9/16-18 male JIC 37-degree flare. So if your line has a JIC flare seat and you're tapping in a NPT branch, this is the right configuration for that setup.
Question by: Troy S on Nov 5, 2025, 7:49 PM
So, this is a tee fitting, right? Just wanna make sure I'm seeing that correct.
Answer by: Customer Support on Nov 7, 2025, 2:58 PM
That's right, this is a tee adapter. It's got a 1/4-18 Male NPT branch on one side and a 9/16-18 Male JIC 37 deg Flare run on the other two.
Question by: Howard P on Jul 15, 2025, 1:42 PM
trying to tee off a 1/4-18 npt line into a 9/16-18 jic, is that what this adapter does?
Answer by: Customer Support on Jul 17, 2025, 9:35 AM
Function-wise, it is a tee adapter that gives you a 1/4-18 male NPT branch and a 9/16-18 male JIC 37 degree flare run connection, so it is meant for tying those two connection types together in a tee configuration.

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