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Steel Adapter, 1-1/4-11-1/2 Male NPT To 1-5/8-12 Male JIC 37 deg Flare, Straight

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Description & Features

Rated for a minimum working temperature of -40°F, this adapter is well suited for demanding environments including off-shore drilling, chemical processing, pulp and paper, food and beverage processing, and marine or military applications. The Steel Adapter, 1-1/4-11-1/2 Male NPT To 1-5/8-12 Male JIC 37 Deg Flare, Straight is part of the Danfoss Power Solutions (Aeroquip) 2021 Series, connecting a 1-1/4-11-1/2 Male NPTF thread to a 1-5/8-12 Male SAE 37-degree flare in a straight configuration. Constructed from steel, it provides reliable performance across a wide range of industrial hydraulic systems. This adapter carries catalog number C1AU93 and is classified under UNSPSC code 40183100 with an ECCN designation of EAR99.

SKU: 2021-20-20S

Supplier Part Number (MPN): 2021-20-20S

Alternate Part Numbers: 20011365, C1AU93, MI-00310358, MINO-00015F60091

Specifications

A
2.45
Alternate Part Numbers
Alternate Part Number 20011365, Alternate Part Number C1AU93, Alternate Part Number MI-00310358, Alternate Part Number MINO-00015F60091, Alternate Part Number MINO-00925X08709
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 Type 1
NPTF
End Type 2
SAE 37
Minimum Working Temperature
-40
Supplier Part Number
2021-20-20S
Thread 1
1-1/4-11-1/2
Thread 2
1-5/8-12
Thread Sealant
No
Tube O.D.
1.25
Tube O.D.
1.25
Product Weight
5.00 lbs

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Product Questions & Answers (3)

Question by: Stan H on Apr 20, 2025, 5:06 PM
i got a hose end that’s 1-5/8-12 jic, is this the straight adapter that’ll mate up to it and then go into 1-1/4-11-1/2 pipe thread?
Answer by: Customer Support on Apr 22, 2025, 6:46 AM
Match the thread callouts and end styles and you are in good shape. One side is a 1-5/8-12 male JIC 37 degree flare (SAE 37), and the other side is a 1-1/4-11-1/2 male NPTF pipe thread. Both ends are male and the body is straight.
Question by: Hubert K on Sep 22, 2025, 6:37 PM
got a hose end with a 1-5/8-12 JIC 37 flare on it. is this the straight adapter that’ll let me go over to 1-1/4-11-1/2 male NPT?
Answer by: Customer Support on Sep 24, 2025, 12:59 PM
Yes. It’s a straight Eaton Aeroquip 2021 Series adapter with a 1-1/4-11-1/2 male NPT on one end and a 1-5/8-12 male JIC 37 degree flare on the other, meant for going from pipe thread to a 37 degree flare connection.
Question by: Earl S on Nov 23, 2025, 1:42 PM
what industries is this adapter actually built for? seen similar ones marketed as "general purpose" but end up being junk in harsh environments
Answer by: Customer Support on Nov 24, 2025, 6:07 PM
Eaton Aeroquip rated this one for some pretty demanding applications including marine and military use, offshore drilling, chemical processing, pulp and paper, and food and beverage processing. That range tells you it holds up where conditions get rough, not just in clean shop environments.