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Steel Adapter, 1-1/4-11-1/2 Male NPT To 1-7/8-12 Male JIC 37 deg Flare, Straight

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Description & Features

This Danfoss / Eaton 2021 Series straight adapter connects pipe to 37° flare, suitable for marine/military, chemical processing, pulp and paper, food and beverage, and off-shore drilling applications. The Steel Adapter features a 1-1/4-11-1/2 Male NPT to 1-7/8-12 Male JIC 37 deg Flare.

It is constructed with a minimum working temperature of -40 and includes a 1.5 Tube O D. The thread sealant is 0 and End Type 1 is NPTF, End Type 2 is SAE 37. End Gender 1 and End Gender 2 are both male.

SKU: 2021-20-24S

Supplier Part Number (MPN): 2021-20-24S

Alternate Part Numbers: C1AU94, MI-00310404, MINO-00015F60096

Specifications

Connection Size 1
1-1/2 in
Connection Size 2
1-1/4 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
2.65 in L
Finish
Dura-Kote™
Fitting Type
Adapter
Hex Size
2 in
Material
Steel
Material Construction
Carbon Steel
Operating Temperature
-40
Series
2021 Series
Thread Size
1-1/4-11-1/2, 1-7/8-12

Product Questions & Answers (2)

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Question by: Harvey G on Sep 24, 2025, 8:24 AM
got a hose end with a 1-7/8-12 jic 37 flare, will this adapter screw right onto it?
Answer by: Customer Support on Sep 25, 2025, 7:34 PM
The JIC side on this adapter is a 1-7/8-12 male JIC with a 37 degree flare. That matches a hose end or fitting that has a 1-7/8-12 female JIC 37 degree flare swivel.
Question by: Merle R on Mar 10, 2026, 2:15 PM
Got a pipe fitting that's 1-1/4-11-1/2 NPT on one end and need to tie into a JIC 37 degree flare line on the other, this adapter do that in a straight shot?
Answer by: Customer Support on Mar 12, 2026, 6:56 AM
That's what this one's built for. One end is 1-1/4-11-1/2 male NPT and the other is 1-7/8-12 male JIC 37 degree flare, all in a straight configuration. No elbow, no offset. It's part of the Eaton Aeroquip 2021 Series and handles the pipe-to-flare transition in a single fitting.

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