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Brass Reusable Socketless Fitting, 3/8-24 Male SAE 42 deg Inverted Flare, -04 Hose, Straight

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Description & Features

Designed for use with -04 hose, this straight socketless fitting features a 3/8-24 male SAE 42° inverted flare thread connection and is constructed from brass for reliable corrosion resistance in hydraulic fluid service. The Brass Reusable Socketless Fitting, 3/8-24 Male SAE 42 deg Inverted Flare, -04 Hose, Straight is part of the Eaton Aeroquip 4740 Series, a line built for field-reusable assembly without the need for a crimping socket or press equipment.

The reusable design allows the fitting to be disassembled and reinstalled directly onto compatible hose, making it well suited for maintenance environments where quick field repair is a priority. Brass construction supports compatibility with a wide range of hydraulic fluids. With a D value of 0.75 and catalog reference C1BQ98, this fitting integrates into standard SAE inverted flare assemblies.

SKU: 4740-3-4B

Supplier Part Number (MPN): 4740-3-4B

Alternate Part Numbers: C1BQ98

Specifications

D
0.75
Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
End Gender 1
13554
End Size 1
0.38
End Type 1
SAE 45
End Type 2
Line/Hose/Tube
Hose Cutoff
0.75
Hose Size
-04
Mandrel Required
No
Supplier Part Number
4740-3-4B
Thread 1
3/8-24
Thread Sealant
No
Alternate Part Numbers
Alternate Part Number C1BQ98, Alternate Part Number MINO-00925X10932
Product Weight
0.03 lbs

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Product Questions & Answers (2)

Question by: Ralph P on Jun 14, 2025, 1:52 PM
fitting says "socketless", does that mean I don't need any kind of crimping tool or press to put it together?
Answer by: Customer Support on Jun 16, 2025, 6:39 AM
Socketless fittings go together without crimping equipment. You assemble them by hand using basic wrenches, which makes them a solid choice when you're out in the field or don't have a hose shop nearby. The hose slips into the fitting and the components thread together to lock everything in place. No hydraulic press, no crimp dies, no special tooling required.
Question by: Wayne L on Dec 18, 2025, 8:44 PM
Will this here fitting work with a regular rubber hose, or does it need something special?
Answer by: Customer Support on Dec 20, 2025, 6:38 PM
This fitting is designed for use with Aeroquip Socketless hose. Using it with other types of hose might cause leaks or a failure.