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12MP-12FPS STRAIGHT

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Description & Features

The 12MP-12FPS Straight by Brennan Industries Inc is designed for high-performance applications requiring reliable and robust adapters. It is crafted from straight steel ensuring durability and strength under demanding conditions.

This adapter is part of the 1404 series and boasts a maximum dynamic pressure tolerance of up to 3 000 PSI. The adapter features a Male NPTF thread on one end (3/4-14 SAE J476 specification) and a Female NPSM Swivel thread on the other end (3/4-14 SAE J514 specification) making it suitable for various professional applications.

Measurements include an overall length of 2.080 mm with a secondary length of 1.750 mm and hex size of 1.250 mm. Each thread has a drill size specification of 0.719 mm for B1 and 0.75 mm for B2. This ensures a precise and secure fit in industrial environments.

The product has a compact cubic inch space of 3.25 ideal for systems with space constraints. Note: California residents should be aware of the Prop-65 warning associated with this product.

MPN: 1404-12-12

Supplier Part Number: 1404-12-12

Specifications

Brand
BRENNAN
Connection Size 1
3/4 in
Connection Size 2
3/4 in
Connection Type
FNPSM Swivel, MNPT
Connection Type 1
Male SAE 30 deg NPTF
Connection Type 2
SAE FNPSM Swivel
Cubic Inch Space L x W x H Dimensions
3.25 cu-in
Dimension Standards
SAE J476, SAE J514
Dimensions
2.1 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
1-1/4
l2 Dimensions
1-3/4 in
Material
Steel
Material Construction
12L14/C1045 Steel
Maximum Operating Pressure
4000 psi
Series
1404 Series
Thread 2 Drill Dimensions
0.75 in
Thread B1 Drill Dimensions
0.719 in
Thread Size
3/4-14

Product Questions & Answers (2)

Question by: Lynn H on Dec 19, 2025, 12:23 PM
What kind of threads are on each end of this adapter, and are both ends the same size?
Answer by: Customer Support on Dec 21, 2025, 8:30 AM
Both ends are 3/4-14, but they're not the same thread type. One end is a Male NPTF thread built to SAE J476 spec, and the other is a Female NPSM Swivel thread built to SAE J514. So you've got a dry-seal tapered male on one side and a swivel female on the other, which is real handy when you need some rotational flexibility at the connection point without having to fight the line into position.
Question by: Rusty W on Sep 29, 2025, 12:31 PM
Reckon this'll hold up to a steady 3000 PSI? Just wanna make sure before I order a bunch.
Answer by: Customer Support on Sep 30, 2025, 4:47 PM
Yes, sir. This adapter is rated for a maximum dynamic pressure of 3000 PSI, so it should handle that just fine.

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