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Brass Adapter, 3/4-14 Female NPT To 1/2-14 Male NPT, Straight

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Description & Features

This adapter is integral to grease refrigeration instrumentation and hydraulic systems. It accommodates a variety of industrial applications ensuring compatibility with fuel LP and natural gas on special order.

The adapter features a 3/4-14 Female NPTF thread on one end and a 1/2-14 Male NPTF thread on the other. Its brass construction offers durability and long-lasting performance under diverse working conditions including temperatures as low as -65F.

Renowned for its precision and reliability this adapter does not require a thread sealant simplifying installation and maintenance. Choose this high-quality component to meet critical challenges in industrial settings.

ECCN: EAR99

Supplier Part Number: 3200X12X8

Specifications

Connection Size 1
3/4 in
Connection Size 2
1/2 in
Connection Type
FNPT, MNPT
Connection Type 1
Female NPTF
Connection Type 2
Male NPTF
Dimension Standards
SAE 130139
Dimensions
1.69 in L
Finish
Nickel-Plated
Fitting Type
Adapter
For Use With
Brass, Bronze and Iron Pipes
Hex Size
1-1/4
Material
Brass
Material Construction
Brass
Series
3200X Series
Thread Sealant
Without Thread Sealant
Thread Size
3/4-14 x 1/2-14

Product Questions & Answers (2)

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Question by: Wayne W on Nov 23, 2025, 7:16 AM
I need to adapt a 3/4" female fitting down to a 1/2" male. Will this do the trick without any thread sealant?
Answer by: Customer Support on Nov 24, 2025, 4:03 PM
Yes sir, this adapter has a 3/4-14 female NPTF thread on one end and a 1/2-14 male NPTF thread on the other, and it's designed to not require any thread sealant, which should simplify things for ya.
Question by: Gene B on May 17, 2025, 2:26 PM
does this adapter need any thread sealant when you put it in, or is it good to go right out of the box?
Answer by: Customer Support on May 18, 2025, 5:30 PM
No sealant needed on this one. The NPTF threading on both ends is built to form a pressure-tight mechanical seal on its own, so you can run it straight from the package without tape or compound. That said, make sure threads on the mating fittings are clean and in good shape before you torque it down.

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