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Brass Adapter, 1/4-18 Female NPT To 1/4-18 Female NPT, 90 deg Elbow

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Description & Features

This Eaton Aeroquip brass adapter features a 90-degree elbow design and is suitable for grease, refrigeration, instrumentation, and hydraulic systems. The Brass Adapter, 1/4-18 Female NPT To 1/4-18 Female NPT, 90 deg Elbow has female NPT connections on both ends.

This pipe-to-pipe adapter has a minimum working temperature of -65 degrees Fahrenheit. Its dimensions are compact, with a drop dimension (N) of 0.78 inches.

SKU: IG3500X4

Supplier Part Number (MPN): 3500X4

Alternate Part Numbers: C1GU90

Specifications

Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
FNPT
Connection Type 1
Female NPTF
Connection Type 2
Female NPTF
Dimension Standards
SAE 130238
Drop Dimensions
0.78 in
Fitting Type
90 deg Elbow
For Use With
Brass, Bronze and Iron Pipes
Material
Brass
Material Construction
Brass
n Dimensions
0.78 in
Series
3500X Series
Thread Sealant
Without Thread Sealant
Thread Size
1/4-18

Product Questions & Answers (3)

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Question by: Rhonda E on Jul 7, 2025, 12:52 PM
Will this elbow fitting hold up if I'm running hydraulic fluid through it all day long?
Answer by: Customer Support on Jul 8, 2025, 1:41 PM
This adapter is made from brass, so it's durable enough for continuous use in hydraulic systems. It's also good for grease and refrigeration applications.
Question by: Rod J on Apr 24, 2025, 6:23 PM
what fluids is this brass elbow rated for out of the box, and do I need to order something special if I'm running LP gas through it?
Answer by: Customer Support on Apr 26, 2025, 4:29 PM
Standard orders cover grease, refrigeration, instrumentation, and hydraulic system applications. LP and natural gas compatibility is available, but those configurations require a special order rather than being part of the regular stock version. If you're running LP gas, just make sure to specify that when you place the order so you get the right build for that service.
Question by: Stan B on Oct 29, 2025, 7:06 AM
trying to turn a line 90 degrees in a tight spot, is this the elbow that’s female npt on both ends?
Answer by: Customer Support on Oct 30, 2025, 8:09 AM
For a right angle turn with matching threads, this one fits the bill. It is a 90 degree elbow adapter with 1/4-18 female NPTF threads on both ends, so it connects two 1/4-18 male NPT ends while changing direction.

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