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

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Description & Features

This steel adapter provides a reliable connection between different hydraulic systems. It features a 1-1/2-11-1/2 Male NPT to 1-5/8-12 Male JIC 37 deg Flare, Straight configuration. This Eaton Aeroquip adapter is suitable for demanding applications such as marine and military systems, chemical processing, pulp and paper industries, food and beverage processing, and off-shore drilling.

With a dimension A of 2.55, this steel adapter ensures a secure and leak-free connection in various hydraulic applications. Its robust construction and precise threading make it a dependable component in critical fluid transfer systems.

SKU: 2021-24-20S

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

Alternate Part Numbers: 20011367, C1AU96, MI-00310386, MINO-00015F60093

Specifications

Connection Size 1
1-1/4 in
Connection Size 2
1-1/2 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
2.55 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
1-5/8-12 x 1-1/2-11-1/2

Product Questions & Answers (4)

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Question by: Tony C on Dec 17, 2025, 9:46 PM
trying to hook a pipe port to a JIC hose end, is this the straight adapter for that
Answer by: Customer Support on Dec 19, 2025, 6:11 AM
For tying a male NPTF pipe thread to a male SAE 37 degree JIC flare connection, this adapter is the straight pipe to 37 degree flare style. One end is 1-1/2-11-1/2 male NPTF and the other is 1-5/8-12 male JIC 37 degree flare.
Question by: Dustin W on Jun 22, 2025, 10:10 AM
got a fitting here thats 1-1/2-11-1/2 male npt on one side. is this the one that goes over to a 1-5/8-12 male jic 37 flare, straight?
Answer by: Customer Support on Jun 23, 2025, 3:08 PM
Match-up wise, that’s exactly what this adapter is. It’s a straight steel adapter with a 1-1/2-11-1/2 male NPT on one end and a 1-5/8-12 male JIC 37 degree flare on the other.
Question by: Bobby S on Jul 8, 2025, 3:28 PM
What industries is this adapter actually built for? Got a food processing line and want to make sure it ain't gonna be a problem using it there.
Answer by: Customer Support on Jul 10, 2025, 6:18 AM
Food and beverage processing is one of the listed application areas for this adapter, so you're in good shape on that front. It also covers marine and military use, chemical processing, pulp and paper, and offshore drilling. That's a pretty wide range, which speaks to how versatile the Eaton Aeroquip 2021 Series tends to be in industrial environments.
Question by: Tony O on Aug 27, 2025, 3:53 PM
Will this adapter work for connecting a 1-1/2 inch NPT pipe to a 1-5/8 inch JIC fitting?
Answer by: Customer Support on Aug 29, 2025, 6:45 AM
Yes, this straight adapter is made to connect a 1-1/2-11-1/2 Male NPT to a 1-5/8-12 Male JIC 37 degree flare.

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