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Steel Metric Flareless Fitting, 18.00 mm L Series Tube Plug, M 26x1.5

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Description & Features

The Danfoss / Eaton Waltech Tube Fittings provide exceptional performance across various applications with their robust construction and adherence to DIN standards.

Designed to operate under a maximum pressure rating of 400 bar, the fitting excels in high-demand environments. It is constructed from premium-quality forged or drawn steel, ensuring long-lasting durability and reliability.

The Steel Metric Flareless Fitting, 18.00 mm L Series Tube Plug, M 26x1.5, features an 18 mm outer diameter and M 26x1.5 threading, suitable for a broad range of industrial uses.

The fitting is engineered to function efficiently at temperatures up to 120deg;C, maintaining its integrity under varying thermal conditions, and is part of the L Series, which provides a range of pressure ratings from 160 to 630 bar.

MPN: WAL061866

Supplier Part Number: WAL061866

Specifications

Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
L
21
Maximum Operating Pressure
400
Series
L
Supplier Part Number
WAL061866
Thread 1
M 26x1.5
Tube O.D.
18
Tube O.D.
18
Alternate Part Numbers
Alternate Part Number C1LD21, Alternate Part Number MINO-00015X15847
Product Weight
0.18 lbs

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Product Questions & Answers (3)

Question by: Terry B on Dec 29, 2025, 6:54 PM
What kind of temperatures can this plug handle?
Answer by: Customer Support on Dec 31, 2025, 11:06 AM
This steel tube plug is engineered to maintain its integrity in temperatures up to 120 degrees Celsius.
Question by: Johnny B on Jul 7, 2025, 8:49 PM
fitting says M 26x1.5 thread -- does that match up with an 18mm tube line or is that the port size on the equipment side?
Answer by: Customer Support on Jul 9, 2025, 6:07 AM
The M 26x1.5 is the thread size on the fitting itself, and the 18mm refers to the outer diameter of the tube it's meant to plug. So you'd be looking at an 18mm OD tube line paired with that M 26x1.5 threaded connection. Both specs work together on the same fitting, not on opposite ends.
Question by: Diane G on Oct 24, 2025, 9:43 PM
got an 18mm tube line i need to cap off. is this the plug that matches that size, or am i lookin at it wrong
Answer by: Customer Support on Oct 26, 2025, 7:48 AM
For an 18.00 mm outside diameter tube in the L Series, this part is the matching tube plug. It’s specified as an 18 mm L Series tube plug with an M 26x1.5 thread.