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12MJ PLUG

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Description & Features

Engineered with precision, the 12MJ Plug by Brennan Industries Inc delivers reliable performance in demanding environments. This adapter is constructed from high-quality straight steel, ensuring durability and longevity under high-pressure applications.

Designed to meet the SAE J514 specification, it features a male JIC SAE 37-degree flare thread, providing a secure and leak-proof connection. With an overall length of 1.280 mm and additional length of 0.380 mm, it is compact yet robust, fitting seamlessly into your industrial setup.

The 12MJ Plug withstands a maximum dynamic pressure of 5,000 psi, making it ideal for heavy-duty applications. The thread B1 drill measures 0.609 mm and is precisely engineered to ensure compatibility and exceptional performance.

Supplier Part Number: 2408-12

California Residents: PROP-65 WARNING

Specifications

Connection Type
Male JIC
Cubic Inch Space L x W x H Dimensions
1.62 cu-in
Dimension Standards
SAE J514
Dimensions
1.28 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Plug
l2 Dimensions
0.38 in
Material
Steel
Material Construction
AISI 12L14/1045 Steel
Maximum Operating Pressure
5000 psi
Series
2408 Series
Thread B1 Drill Dimensions
0.609 in
Thread Size
1-1/16-12

Product Questions & Answers (2)

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Question by: Vince H on May 24, 2025, 8:17 AM
got a 1-1/16-12 male JIC port on a valve, is this the right plug for it?
Answer by: Customer Support on May 25, 2025, 11:01 AM
For a 1-1/16-12 male JIC SAE 37 degree flare connection, this plug matches that thread size and type and it is built to the SAE J514 thread specification.
Question by: Dean M on Mar 26, 2026, 7:22 PM
got a line running at 5,000 psi and need to cap off a 1-1/16-12 JIC port, this plug rated for that kind of pressure?
Answer by: Customer Support on Mar 28, 2026, 8:05 AM
Right at the limit, but yes, 5,000 psi is the maximum dynamic pressure rating on this plug, so a line running exactly at that level is within spec. The 1-1/16-12 male JIC thread with the SAE 37-degree flare seats securely into a matching female JIC port and holds without leaking under load. Just make sure your port is a standard SAE J514 female JIC and you're good to go.

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