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Brass Adapter, 1/4-18 Male NPT To 0.38 Inch Female 42 deg Inverted Flare, 90 deg Elbow

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Description & Features

Engineered to support hydraulic brake power steering fuel lines transmission cooler lines LP and natural gas the brass adapter ensures durable and reliable connections. Its design features a 0.95 drop dimension accommodating a wide range of industrial requirements. The adapter is crafted from high-quality brass delivering robust performance. The 42 inverted flare to pipe adapter effortlessly connects 1/4-18 male NPT to 0.38 inch female 42 inverted flare forming a reliable 90 elbow connection. It offers reliable functionality even in extreme conditions with a minimum working temperature of -65F making it an essential component in various hydraulic and instrumentation setups. Threaded with 1/4-18 NPTF on the male end and designed for a 0.375" tube outer diameter this adapter is well-suited for diverse applications. The component is free from thread sealant thus providing flexibility in sealing solutions based on specific needs.

Supplier Part Number: 402X6

MPN: C1HP71

Specifications

Alternate Part Numbers
Alternate Part Number C1HP71, Alternate Part Number MI-00333457, Alternate Part Number MINO-00015X06305, Alternate Part Number MINO-00925F73175
Application
Hydraulic brake, power
steering, fuel lines and
transmission cooler lines,
LP and natural gas (special
order).
instrumentation and hydraulic
systems.
Drop Dimension
0.95
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Gender 2
13555
End Size 1
0.25
End Size 2
0.63
End Type 1
NPTF
End Type 2
Inverted
L
1.32
M
0.53
Minimum Working Temperature
-65
Supplier Part Number
402X6
Thread 1
1/4-18
Thread Sealant
No
Tube O.D.
0.38
Tube O.D.
0.375
Product Weight
0.10 lbs

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Product Questions & Answers (3)

Question by: Bobby R on Dec 29, 2025, 11:53 AM
Reckon this'll hold up okay for hooking up the fuel lines on my old pickup?
Answer by: Customer Support on Dec 30, 2025, 5:56 PM
This brass adapter is engineered to support fuel lines, along with hydraulic brake, power steering, and transmission cooler lines. It's also rated for LP and natural gas in special order scenarios.
Question by: Freddie K on Nov 30, 2025, 1:43 PM
trying to hook a 3/8 tube inverted flare line into a 1/4-18 npt port, is this the right elbow for that?
Answer by: Customer Support on Dec 2, 2025, 12:30 PM
For that kind of hookup, it matches up as a 90 degree elbow with a 1/4-18 male NPTF on one end and a 0.38 inch female 42 degree inverted flare on the other, sized for 0.375 inch tube outer diameter.
Question by: Daryl W on Nov 29, 2025, 6:33 AM
fitting's rated for fuel lines too, or just hydraulic stuff?
Answer by: Customer Support on Nov 30, 2025, 11:34 AM
Fuel lines are actually one of the primary applications for this adapter. It handles hydraulic brake, power steering, transmission cooler lines, and fuel lines. LP and natural gas are also listed as supported applications, though those are noted as special order. The 42-degree inverted flare connection on the 3/8-inch female end pairs with the 1/4-18 male NPT side to give you a secure 90-degree elbow routing option across all those line types.