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Brass Tube Fitting, 0.25 Inch Tube OD Inverted Flare Tube Nut

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Description & Features

Ideal for use in various industrial applications the Danfoss / Eaton 100X Series Spare Part Tube Nut is crafted for reliability and durability. With a precise 0.25-inch tube outer diameter this brass tube fitting ensures a secure and tight connection.

Manufactured by Danfoss Power Solutions (Aeroquip Inc-Alternate) this product belongs to the segment code seg_code_a. The robust brass construction guarantees longevity even under demanding conditions.

The product catalog number is C1HL49 and it comes under the ECCN classification EAR99. Its UNSPSC code is 40183100 making it a standard component in the industry.

**Supplier Part Number:** 100X4

**MPN:** C1HL49

Specifications

Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
L
0.56
Supplier Part Number
100X4
Tube O.D.
0.25
Tube O.D.
0.25
Alternate Part Numbers
Alternate Part Number C1HL49, Alternate Part Number MI-00333350, Alternate Part Number MINO-00925F73116
Product Weight
0.01 lbs

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Product Questions & Answers (3)

Question by: Jimmy M on Apr 29, 2025, 5:22 PM
got a 1/4 inch tube line, is this the right nut for an inverted flare setup?
Answer by: Customer Support on May 1, 2025, 12:26 PM
For a 0.25 inch tube outside diameter inverted flare connection, this part matches that tube size and style. It is a brass tube nut from the Danfoss and Eaton 100X series.
Question by: Ralph M on Mar 2, 2026, 12:27 PM
Will this tube nut work with standard 1/4 inch tubing?
Answer by: Customer Support on Mar 4, 2026, 7:57 AM
It is specifically designed for use with 0.25-inch (1/4 inch) outer diameter tubing, ensuring a secure inverted flare connection.
Question by: Rod T on Aug 27, 2025, 7:22 AM
Is this the nut that goes on a 1/4 inch inverted flare line, or is the 0.25 inch referring to something else?
Answer by: Customer Support on Aug 29, 2025, 6:35 AM
The 0.25 inch measurement refers to the outer diameter of the tube this nut is made to fit. So yes, if you're working with a quarter-inch OD tube on an inverted flare connection, this is the right nut for that application. It's part of the Eaton Aeroquip 100X series and carries catalog number C1HL49 if you need to cross-reference it against your parts documentation.