SAME DAY SHIPPING
— Order by 2pm EST.
Toggle Nav
Cart
Search
main product photo

12MJ-12MP STRAIGHT

Ask A Question

Description & Features

Constructed from straight steel, the 12MJ-12MP STRAIGHT by Brennan Industries Inc offers superior performance for industrial applications. Designed with precision, it features a maximum dynamic pressure capacity of 5,000 psi, ensuring reliability under demanding conditions.

Thread B1 is a 1-1/16-12 male JIC SAE 37-degree flare conforming to SAE J514 standards, while Thread B2 is a 3/4-14 male NPTF adhering to SAE J476 specifications. The exacting thread designs deliver a secure and leak-resistant connection.

This adapter has an overall length of 2.060 mm, illustrating its compact yet effective build. The detailed engineering of Thread B1 and Thread B2, with drill sizes of 0.609 mm and 0.719 mm respectively, guarantees a precise fit for seamless fluid transfer.

**Series:** 2404

Supplier Part Number: 2404-12-12

**California Residents:** PROP-65 WARNING

Specifications

Connection Size 1
3/4 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 SAE 30 deg NPTF
Dimension Standards
SAE J514, SAE J476
Dimensions
2.06 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
1-1/8 in
Material
Steel
Material Construction
12L14/C1045 Steel
Maximum Operating Pressure
5000 psi
Series
2404 Series
Thread 2 Drill Dimensions
0.719 in
Thread B1 Drill Dimensions
0.609 in
Thread B2 Drill Dimensions
0.719 in
Thread Size
1-1/16-12 x 3/4-14

Product Questions & Answers (3)

Sign In Hover me Please sign in to submit a question
Question by: Dwayne S on Mar 12, 2026, 1:55 PM
Does the JIC side on this adapter run a 1-1/16-12 thread, or am I looking at the wrong part number for my fitting?
Answer by: Customer Support on Mar 13, 2026, 5:50 PM
Yeah, that's the right one. Thread B1 is a 1-1/16-12 male JIC with a 37-degree flare, built to SAE J514 spec. The NPTF side runs 3/4-14, so if your port is a 3/4 female NPT or NPTF, this adapter bridges the two without any additional fittings in between.
Question by: Lyle J on Jun 15, 2025, 8:42 PM
Just want to make sure I'm understanding right, this fitting has a male JIC on one end and a male NPTF on the other?
Answer by: Customer Support on Jun 17, 2025, 11:34 AM
That's correct. One side features a 1-1/16-12 male JIC SAE 37-degree flare according to SAE J514 standards. The other is a 3/4-14 male NPTF adhering to SAE J476 specs.
Question by: Shane H on Mar 20, 2026, 4:32 PM
got a hose end that’s 1-1/16-12 JIC 37 degree flare. will this adapter screw right onto it?
Answer by: Customer Support on Mar 21, 2026, 5:53 PM
For a JIC flare connection, Thread B1 on this adapter is a 1-1/16-12 male JIC SAE 37 degree flare built to SAE J514, so it mates with a matching female JIC 37 degree flare of the same size.

Tell us what you need and we'll get back to you.

Fields marked * are required.