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Steel Adapter, 1/8-27 Male NPT To 3/8-24 Male JIC 37 deg Flare, Straight

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Description & Features

Part of the Eaton Aeroquip 2021 Series, this Steel Adapter, 1/8-27 Male NPT To 3/8-24 Male JIC 37 Deg Flare, Straight provides a reliable straight connection between NPT and JIC 37-degree flare fittings in demanding industrial environments. The steel construction and straight configuration make it well suited for use across marine and military, chemical processing, pulp and paper, food and beverage processing, and off-shore drilling applications.

With an overall length (A dimension) of 1.14 inches, this compact adapter integrates into tight hydraulic assemblies without added bulk. Cataloged under Eaton Aeroquip reference C1AU86, it carries commodity code 51460 and is compatible with a broad range of fluids as documented in Eaton's published fluid compatibility guidelines.

SKU: 2021-2-3S

Supplier Part Number (MPN): 2021-2-3S

Alternate Part Numbers: C1AU86, MI-02056453, MINO-00015J90399

Specifications

A
1.14
Alternate Part Numbers
Alternate Part Number C1AU86, Alternate Part Number MI-02056453, Alternate Part Number MINO-00015J90399
Application
Marine/Military, Chemical Processing, Pulp and Paper Industries, Food and Beverage Processing, Off-Shore Drilling
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13556
End Size 1
0.13
End Size 2
0.38
End Type 1
NPTF
End Type 2
SAE 37
Minimum Working Temperature
-40
Supplier Part Number
2021-2-3S
Thread 1
1/8-27
Thread 2
3/8-24
Thread Sealant
No
Tube O.D.
0.19
Tube O.D.
0.19
Product Weight
0.13 lbs

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Product Questions & Answers (3)

Question by: Neil S on Oct 13, 2025, 8:47 AM
trying to hook a 1/8 pipe port up to a jic line, is this the right adapter?
Answer by: Customer Support on Oct 14, 2025, 7:41 PM
For that kind of hookup, this straight steel adapter is made to go from a 1/8-27 male NPTF pipe thread on one end to a 3/8-24 male SAE 37 degree (JIC) flare on the other.
Question by: Ricky J on Sep 14, 2025, 4:30 PM
Hey, will this adapter work to connect a NPT pipe to a JIC flare fitting? I'm messin' with some hydraulics on my boat.
Answer by: Customer Support on Sep 16, 2025, 2:01 PM
It's made to adapt a 1/8-27 male NPT (pipe) thread to a 3/8-24 male JIC 37-degree flare fitting. So if those are the sizes you're workin' with, then yes, it should do the trick.
Question by: Tammy P on Nov 4, 2025, 12:56 PM
i got a hose end that’s 3/8-24 jic, and the port on the valve is 1/8 npt. is this the straight adapter that ties those two together?
Answer by: Customer Support on Nov 5, 2025, 4:30 PM
For hooking those two thread types together, that’s exactly what this adapter is for. One side is 1/8-27 male NPT (pipe thread) and the other side is 3/8-24 male JIC with a 37 degree flare, in a straight configuration.