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BRENNAN 1/4 NPT RESTRICTOR SWIVEL 0.031

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Description & Features

Designed for controlled flow restriction in hydraulic circuits, this straight steel swivel fitting connects a 1/4-18 Male Nptf thread to a 1/4-18 Female Npsm swivel end, with a 0.031" restricted orifice that limits flow at the female port. The swivel design allows rotational adjustment during installation, reducing stress on connected lines.

The Brennan 1/4 Npt Restrictor Swivel 0.031 is rated to 6,000 PSI maximum dynamic pressure, making it well-suited for demanding hydraulic applications. Threads conform to Sae J476 and Sae J514 specifications. Constructed from straight steel, it offers reliable durability in industrial environments where flow control at connection points is required.

SKU: 1404-04-04-R.031

Supplier Part Number (MPN): 1404-04-04-R.031

Specifications

Brand
BRENNAN
Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
FNPSM Swivel, MNPT
Connection Type 1
Male SAE NPTF
Connection Type 2
SAE FNPSM 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
AISI 12L14/C1045 Steel
Maximum Operating Pressure
6000 psi
Series
1404-RESTRICTED Series
Thread 2 Drill Dimensions
0.031 in
Thread B1 Drill Dimensions
0.281 in
Thread Size
1/4-18

Product Questions & Answers (1)

Question by: Wes A on Jan 20, 2026, 7:35 PM
I need a little something that'll restrict the flow in my hydraulics. Will this one do the trick, or am I barking up the wrong tree?
Answer by: Customer Support on Jan 22, 2026, 6:02 AM
This restrictor swivel is designed for just that – controlled flow restriction in hydraulic circuits. The 0.031" orifice limits flow at the female port.

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