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Brass Adapter, 1/4-18 Female NPT To 5/8-18 Male SAE 45 deg Flare, Straight

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Description & Features

This Brass Adapter from Danfoss Power Solutions provides a reliable connection between a 1/4-18 NPT female end and a 5/8-18 SAE 45-degree flare male end. Specifically designed for industrial applications this adapter ensures seamless integration with your existing components.

Manufactured with precision by Aeroquip Inc the adapter features a straight design simplifying installation. The female NPT end and male SAE 45-degree flare guarantee a secure and tight fit reducing risk of leakage. With an end size of 0.625 inches for the male and 0.25 inches for the female connection this adapter supports critical fluid transfer processes.

Ideal for setups requiring robust and dependable transition points this product adheres to the highest standards. It is classified under ECCN EAR99 confirming its compliance with export regulations. The UNSPSC code 40183100 further categorizes this adapter under fluid and gas flow regulators and fittings.

MPN: 46X6

Supplier Part Number: 46X6

Specifications

Alternate Part Numbers
Alternate Part Number C1HP98, Alternate Part Number FMC3625301, Alternate Part Number MI-00333154, Alternate Part Number MINO-00925F73043
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
0.63
End Size 2
0.25
End Type 1
SAE 45
End Type 2
NPTF
L
1.31
Supplier Part Number
46X6
Thread 1
1/4-18
Thread 2
5/8-18
Thread Sealant
No
Tube O.D.
0.38
Tube O.D.
0.38
Product Weight
0.08 lbs

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Product Questions & Answers (3)

Question by: Dean M on Sep 20, 2025, 9:16 PM
Just want to make sure, this adapter's got a female NPT on one end and a male SAE flare on the other, right?
Answer by: Customer Support on Sep 22, 2025, 6:06 AM
That's correct. This brass adapter features a 1/4-18 female NPT connection on one end and a 5/8-18 male SAE 45-degree flare on the other, in a straight configuration.
Question by: Steve R on Jun 29, 2025, 4:37 PM
got a line with 1/4 npt female end, will this brass adapter hook right up to a 5/8 sae 45 degree male flare without any fuss
Answer by: Customer Support on Jul 1, 2025, 12:46 PM
Straight connection like this one matches up a 1/4-18 female NPT to a 5/8-18 male SAE 45 degree flare, all in brass for a solid fit in hydraulic setups.
Question by: Melvin B on Feb 3, 2026, 11:46 AM
How do I know if this brass adapter will fit my existing setup?
Answer by: Customer Support on Feb 5, 2026, 6:33 AM
This adapter connects a 1/4-18 Female NPT to a 5/8-18 Male SAE 45-degree flare, so you'll want to make sure your setup has these specific fitting types and sizes to ensure compatibility.