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04FP-04FPS STRAIGHT

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Description & Features

The 04FP-04FPS STRAIGHT from Brennan Industries Inc. offers robust construction with straight steel ensuring durability and reliability in demanding industrial environments.

Designed for a maximum dynamic pressure of 6 000 PSI this adapter features precise female NPTF and NPSM swivel threads compliant with SAE J476 and SAE J514 standards. The product dimensions include an overall length of 1.420 mm and an overall length L2 of 1.230 mm for optimal integration into existing setups.

With a C hex size of 0.688 mm this adapter meets high-precision requirements making it a reliable choice for various technical applications. The thread B1 and B2 sizes are both 1/4-18 ensuring compatibility with various fittings.

Supplier Part Number: 1405-04-04

Specifications

Brand
BRENNAN
Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
FNPT, NPSM Swivel
Connection Type 1
Female SAE NPTF
Connection Type 2
Female SAE NPSM Swivel
Cubic Inch Space L x W x H Dimensions
0.672 cu-in
Dimension Standards
SAE J476, SAE J514
Dimensions
1.42 in L
Finish
Trivalent Zinc-Plated
Fitting Type
Adapter
Hex Size
11/16 in
l2 Dimensions
1.23 in
Material
Steel
Material Construction
12L14/C1045 Steel
Maximum Operating Pressure
6000 psi
Series
1405 Series
Thread 2 Drill Dimensions
0.21 in
Thread B1 Drill Dimensions
0.281 in
Thread Size
1/4-18

Product Questions & Answers (1)

Question by: Marvin P on Mar 3, 2026, 12:37 PM
trying to swap out an old adapter, is this one the 1/4-18 on both ends kind?
Answer by: Customer Support on Mar 5, 2026, 6:22 AM
Fit comes down to the thread callouts on each side. On this part, both ends are 1/4-18, with B1 being a female NPTF thread and B2 being a female NPSM swivel thread.

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