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Steel Adapter, 1/8-27 Male NPT To 5/16-24 Male JIC 37 deg Flare, Straight

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Description & Features

Optimize your industrial assembly with this steel adapter. Specifically designed for converting 1/8-27 male NPT to 5/16-24 male JIC 37-degree flare connections, this product facilitates secure and reliable transitions. Crafted from durable steel, it stands up to demanding environments, ensuring longevity and dependable performance.

This adapter maintains precise thread integrity with no need for thread sealant, making it suitable for high-pressure settings and minimizing potential leakage issues. Ideal for use in fluid and air handling systems, it meets the technical specifications required for industrial applications.

Produced by Brennan Industries Inc, the adapter supports a tube outside diameter of 0.13 inches, guaranteeing an accurate fit and seamless integration into your existing setup.

MPN: C1BF59

Supplier Part Number: 2404-02-02

Specifications

a Dimensions
1.11 in
Connection Size 1
1/8 in
Connection Size 2
1/8 in
Connection Type
Male JIC, MNPT
Connection Type 1
Male SAE 37 deg JIC Flare
Connection Type 2
Male SAE 30 deg NPTF
Dimension Standards
SAE J514/J476
Dimensions
1.11 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
7/16 in
Material
Steel
Material Construction
AISI 12L14/C1045 Steel
Maximum Operating Pressure
6000 psi
Series
2404 Series
Thread Sealant
Without Thread Sealant
Thread Size
5/16-24 x 1/8-27

Product Questions & Answers (2)

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Question by: Ricky A on Mar 2, 2026, 5:31 PM
Got a fitting with 1/8-27 male NPT on one side and I need to land it into a #2 JIC, is this the right adapter?
Answer by: Customer Support on Mar 4, 2026, 12:36 PM
For a straight pipe-to-flare hookup, it matches 1/8-27 male NPT on one end and 5/16-24 male JIC 37 degree flare on the other, with a listed tube OD of 0.13 inches for the JIC side.
Question by: Kurt W on Nov 23, 2025, 5:27 PM
Will this here adapter work for connecting a 1/8 NPT to a 5/16 JIC setup?
Answer by: Customer Support on Nov 25, 2025, 6:31 AM
This adapter is specifically made to connect a 1/8-27 male NPT to a 5/16-24 male JIC 37-degree flare.

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