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Brass Adapter, 1/4-18 Female NPT To 1/4-18 Male NPT, Straight

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Description & Features

Upgrade the efficiency and reliability of grease refrigeration instrumentation and hydraulic systems with this premium brass adapter. Featuring 1/4-18 Female NPT to 1/4-18 Male NPT connections this straight adapter ensures secure and leak-free integration.

Manufactured by Danfoss Power Solutions (Aeroquip Inc-Alternate) this adapter is engineered for compatibility with various industrial applications including specific fuel LP and natural gas systems by special order. With a robust performance across a wide temperature range down to -65 degrees it is well-suited for demanding environments.

The adapter is designed for precision threading incorporating 1/4-18 NPTF threads on both ends eliminating the need for thread sealant. This product guarantees optimal connection integrity providing enduring performance and reliable operation even in harsh conditions.

Optimize your fluid and gas passage requirements with the DANFOSS POWER SOLUTIONS (AEROQUIP INC-ALTERNATE) Brass Female To Male NPT Adapter 3200X4. Ensure dependable system functionality with this expertly crafted brass component.

Supplier Part Number: 3200X4

Specifications

Connection Size 1
1/4 in
Connection Size 2
1/4 in
Connection Type
FNPT, MNPT
Connection Type 1
Female NPTF
Connection Type 2
Male NPTF
Dimension Standards
SAE 130139
Dimensions
1-1/4 in L
Finish
Nickel-Plated
Fitting Type
Adapter
For Use With
Brass, Bronze and Iron Pipes
Hex Size
3/4 in
Material
Brass
Material Construction
Brass
Series
3200X Series
Thread Size
1/4-18

Product Questions & Answers (3)

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Question by: Carl R on Jul 8, 2025, 4:13 PM
does this adapter need any kind of thread sealant or tape to seal up right, or does the threading take care of it on its own?
Answer by: Customer Support on Jul 10, 2025, 1:36 PM
The 1/4-18 threads on both ends are NPTF, which means they're cut to a tighter tolerance than standard NPT and are engineered to seal on the threads themselves without tape or compound. That said, some folks still apply a light wrap of PTFE on the male end out of habit, especially in gas or instrumentation lines, and there's no harm in it. For most hydraulic and grease applications though, the thread form alone handles the seal.
Question by: Floyd M on Feb 15, 2026, 4:33 PM
Will this brass adapter hold up if I'm using it with LP gas?
Answer by: Customer Support on Feb 16, 2026, 6:59 PM
It's suitable for use with fuel, LP, and natural gas systems, but only if you order it specially configured for those applications.
Question by: Floyd H on May 25, 2025, 5:29 PM
got a grease line setup with 1/4 npt on both sides. is this the straight female to male piece for that?
Answer by: Customer Support on May 27, 2025, 4:54 PM
Built for exactly that kind of hook-up, it’s a straight brass adapter with 1/4-18 female NPT on one end and 1/4-18 male NPT on the other, using NPTF threads on both sides.

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