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Steel Adapter, 1/8-27 Male NPT To 7/16-20 Male JIC 37 deg Flare, Straight

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Description & Features

This steel adapter is designed for use in hydraulic, instrumentation, and chemical processing systems. It features a 1/8-27 male NPT connection on one end and a 7/16-20 male JIC 37 deg flare on the other, providing a secure and reliable connection between different fitting types. With an overall length of 1.22 inches, this straight adapter from Eaton Aeroquip ensures efficient fluid transfer in demanding applications.

SKU: 2021-2-4S

Supplier Part Number (MPN): 2021-2-4S

Alternate Part Numbers: 320631, C1AU88, C5205X4, CONSM1340, MI-00310031, MINO-00015F60054

Specifications

Connection Size 1
1/4 in
Connection Size 2
1/8 in
Connection Type
Male JIC, MNPT
Connection Type 1
Male SAE 37 deg JIC Flare
Connection Type 2
Male NPTF
Dimension Standards
SAE 070102/J514
Dimensions
1.22 in L
Finish
Dura-Kote™
Fitting Type
Adapter
Hex Size
1/2 in
Material
Steel
Material Construction
Carbon Steel
Operating Temperature
-40
Series
2021 Series
Thread Size
1/8-27, 7/16-20
Tube OD
1/4 in

Product Questions & Answers (3)

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Question by: Steve H on Jun 24, 2025, 5:56 PM
got a hose end that’s 7/16-20 JIC, will this adapter mate up to it and what’s on the other side?
Answer by: Customer Support on Jun 26, 2025, 10:27 AM
On one end it has a 7/16-20 male JIC 37 degree flare connection, which matches a female JIC 7/16-20 swivel. The other end is a 1/8-27 male NPTF pipe thread.
Question by: Roger P on Nov 6, 2025, 6:11 PM
i got a line with 1/8-27 npt and need to tie into a 7/16-20 jic, is this the straight adapter for that?
Answer by: Customer Support on Nov 8, 2025, 3:17 PM
Function-wise, it bridges a 1/8-27 male NPT pipe thread to a 7/16-20 male JIC 37 degree flare connection in a straight body. It is part of the Danfoss Eaton 2021 Series Pipe to 37 degree Flare adapters, so it fits that exact thread and end-style changeover.
Question by: Connie R on Oct 26, 2025, 1:07 PM
Is this the right fitting to go from a pipe thread to a JIC flare?
Answer by: Customer Support on Oct 27, 2025, 2:44 PM
Yes, this adapter is designed to connect a 1/8-27 male NPT pipe thread to a 7/16-20 male JIC 37-degree flare.

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