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Steel Adapter, 3/4-14 Male NPT To 9/16-18 Male JIC 37 deg Flare, Straight

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Description & Features

This Eaton Aeroquip steel adapter is designed for diverse applications, including marine/military, chemical processing, pulp and paper industries, food and beverage processing, and off-shore drilling.

It features a 3/4-14 male NPT to 9/16-18 male JIC 37-degree flare and measures 1.75 inches in length. The straight configuration ensures a direct connection between different fitting types.

SKU: 2021-12-6S

Supplier Part Number (MPN): 2021-12-6S

Alternate Part Numbers: C1AU79, MI-00310163, MINO-00015F60066

Specifications

a Dimensions
1-3/4 in
Connection Size 1
3/8 in
Connection Size 2
3/4 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
1-3/4 in L
Finish
Dura-Kote™
Fitting Type
Adapter
Hex Size
1-1/8 in
Material
Steel
Material Construction
Carbon Steel
Operating Temperature
-40
Series
2021 Series
Thread Size
9/16-18, 3/4-14
Tube OD
3/8 in

Product Questions & Answers (1)

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Question by: Kent T on Nov 23, 2025, 9:01 AM
What's the overall length of this adapter?
Answer by: Customer Support on Nov 24, 2025, 12:04 PM
The overall length, noted as dimension A, is 1.75 inches.

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