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Steel Adapter, 1/2-14 Male NPT To 3/4-16 Female JIC 37 deg Flare Swivel, Straight

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Description & Features

This steel adapter connects a 1/2-14 male NPT to a 3/4-16 female JIC 37 deg flare swivel in a straight configuration. Suitable for applications in marine, military, chemical processing, pulp and paper, and food and beverage processing environments, as well as off-shore drilling.

This adapter features a 0.5 inch end size 1 and a 0.75 inch end size 2. It is part of the Pipe to 37° Flare Steel Adapters product model line from Eaton Aeroquip, catalog number C1HN53. The minimum working temperature is -40 degrees. Hex size 2 measures 0.875 inches.

SKU: 2018-8-8S

Supplier Part Number (MPN): 2018-8-8S

Alternate Part Numbers: C1HN53, MI-02092707, MINO-00015J40526

Specifications

Connection Size 1
1/2 in
Connection Size 2
1/2 in
Connection Type
Female JIC Swivel, MNPT
Connection Type 1
Female SAE 37 deg JIC Flare Swivel
Connection Type 2
Male NPTF
Dimension Standards
SAE J514
Dimensions
1.93 in L
Finish
Dura-Kote™
Fitting Type
Adapter
Hex Size
7/8 in
Material
Steel
Material Construction
Carbon Steel
Operating Temperature
-40
Series
2018 Series
Thread Size
3/4-16 x 1/2-14
Tube OD
1/2 in

Product Questions & Answers (2)

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Question by: Hank B on Dec 19, 2025, 5:39 PM
got a hose end that’s 3/4-16 JIC, and the port on the valve is 1/2-14 pipe. is this the straight adapter for that setup?
Answer by: Customer Support on Dec 21, 2025, 7:09 AM
For that combination, yes. One side is 1/2-14 male NPTF (pipe) and the other side is a 3/4-16 female JIC 37 degree flare swivel, and it’s a straight steel adapter.
Question by: Steve B on Feb 9, 2026, 11:00 AM
got a hose end thats 3/4-16 JIC, will this screw right on and let me go to 1/2 pipe?
Answer by: Customer Support on Feb 11, 2026, 8:26 AM
Use-case wise, yes, it’s a straight adapter that goes from a 3/4-16 female JIC 37 degree flare swivel on one side to a 1/2-14 male NPTF pipe thread on the other.

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