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Brass Adapter, 1/2-14 Male NPT To 5/8-18 Male SAE 45 deg Flare, Straight

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Description & Features

This Brass Adapter is designed for robust and reliable connections in industrial applications featuring a 1/2-14 Male NPT to 5/8-18 Male SAE 45-degree flare configuration. Manufactured by Danfoss Power Solutions (Aeroquip Inc-Alternate) this component is ideal for use in hydraulic and pneumatic systems instrumentation refrigeration power steering and various applications involving LP and natural gas or flammable liquids (special order).

Engineered for durability the adapter operates efficiently in extreme conditions with a minimum working temperature of -65F. Its threads are precise with a 1/2-14 NPTF on one end and a 5/8-18 SAE 45-degree flare on the other ensuring reliable and leak-free performance without the need for thread sealant.

Constructed from high-quality brass this straight adapter supports optimal fluid transfer and pressure management. The product adheres to the highest standards including UNSPSC 40183100 ensuring compatibility and performance in stringent industrial environments.

Offering a tube O.D. of 0.38 inches this adapter is a dependable choice for professionals seeking reliable and efficient connectivity solutions. The product is cataloged under C1HQ25 for easy reference.

Supplier Part Number: 48X6X8

Specifications

Alternate Part Numbers
Alternate Part Number C1HQ25, Alternate Part Number MI-00333189, Alternate Part Number MINO-00925F73056
Application
Other - LP and natural gas, flammable liquids (special order), instrumentation, refrigeration, power steering, hydraulic and pneumatic systems
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13556
End Size 1
0.63
End Size 2
0.50
End Type 1
SAE 45
End Type 2
NPTF
L
1.69
Minimum Working Temperature
-65
Supplier Part Number
48X6X8
Thread 1
1/2-14
Thread 2
5/8-18
Thread Sealant
No
Tube O.D.
0.38
Tube O.D.
0.38
Product Weight
0.13 lbs

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Product Questions & Answers (2)

Question by: Shawn R on Nov 11, 2025, 10:17 AM
been trying to track down an adapter that'll go from a half-inch NPT male thread over to a 5/8-18 SAE 45 degree flare male, straight configuration. this the right one?
Answer by: Customer Support on Nov 13, 2025, 6:15 AM
That's what this adapter does. One end is 1/2-14 Male NPT and the other is 5/8-18 Male SAE 45 degree flare, straight body, no angle. It's brass construction and the NPTF thread geometry means you won't need thread sealant on that end to get a leak-free connection. Fits right into hydraulic and pneumatic systems, power steering lines, refrigeration setups, and instrumentation work.
Question by: Keith M on Feb 23, 2026, 8:50 AM
Will this here fitting work alright for hooking up a refrigeration system?
Answer by: Customer Support on Feb 25, 2026, 6:30 AM
It's alright for refrigeration setups, as well as hydraulic, pneumatic, and instrumentation systems. It's also been used for LP and natural gas, but those are special order.