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

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Description & Features

This straight steel adapter from Danfoss Power Solutions is designed for hydraulic, instrumentation, and chemical processing systems. It adapts from 2-11/2 Male NPT to 2-1/2-12 Male JIC 37 deg Flare connections.

The Steel Adapter, 2-11-1/2 Male NPT To 2-1/2-12 Male JIC 37 deg Flare, Straight, features a male_1 end gender with a 2-inch end size and NPTF end type. The male_2 end also measures 2 inches with a SAE 37 end type, and a 2-1/2-12 thread.

This adapter is rated for a minimum working temperature of -40 degrees. The thread sealant is 0.

SKU: 2021-32-32S

Supplier Part Number (MPN): 2021-32-32S

Alternate Part Numbers: C1AU99, MI-00310416, MINO-00015F60098

Specifications

A
3.11
Alternate Part Numbers
Alternate Part Number C1AU99, Alternate Part Number MI-00310416, Alternate Part Number MINO-00015F60098
Application
Other - Hydraulic, instrumentation, and chemical processing systems
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
2
End Type 1
NPTF
End Type 2
SAE 37
Minimum Working Temperature
-40
Supplier Part Number
2021-32-32S
Thread 1
2-11-1/2
Thread 2
2-1/2-12
Thread Sealant
No
Tube O.D.
2
Tube O.D.
2
Product Weight
1.90 lbs

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Product Questions & Answers (4)

Question by: Frank A on Apr 16, 2025, 6:39 AM
got a hose end that’s 2-1/2-12 JIC, and the port on the tank is 2-11-1/2 NPT. is this the straight adapter for that?
Answer by: Customer Support on Apr 17, 2025, 10:23 AM
For that thread combo, yes. It is a straight steel adapter with a 2-11-1/2 male NPTF on one end and a 2-1/2-12 male SAE 37 degree (JIC) flare on the other, with a 2 inch tube O.D. callout.
Question by: Steve E on Sep 25, 2025, 6:05 PM
Got a 2" NPT line on a pump outlet that I need to tie into a 2-1/2-12 JIC fitting on the return side. This straight adapter from Eaton Aeroquip handle that kind of crossover?
Answer by: Customer Support on Sep 27, 2025, 6:08 AM
That's exactly what this part is built for. One end is 2-11/2 male NPT and the other is 2-1/2-12 male JIC with a 37 degree flare seat, so it bridges those two thread types in a single straight body. It's part of Eaton Aeroquip's 2021 Series and carries catalog number C1AU99 if you need to cross-reference it against a parts list.
Question by: Johnny M on Sep 8, 2025, 1:53 PM
got a pipe port that’s 2-11-1/2 male npt. will this adapter get me over to a 2-1/2-12 male jic 37 flare, straight?
Answer by: Customer Support on Sep 9, 2025, 8:15 PM
Function-wise, yes. It is a straight Danfoss / Eaton 2021 Series adapter built specifically to go from 2-11-1/2 male NPT (pipe thread) to 2-1/2-12 male JIC 37 degree flare, with male threads on both ends.
Question by: Harvey M on Jan 23, 2026, 7:04 AM
Just want to make sure this adapter will fit my setup. I've got a 2-11 1/2 NPT male fitting and need to connect it to a 2-1/2 12 JIC male. This the right piece?
Answer by: Customer Support on Jan 25, 2026, 6:55 AM
This straight adapter is designed to connect a 2-11-1/2 male NPT to a 2-1/2-12 male JIC 37 degree flare fitting.