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Steel Metric Flareless Fitting, 18.00 mm WALpro Series Nut

Description & Features

The Eaton Aeroquip WALpro Series Nut is designed for high-performance hydraulic applications, ensuring reliable and efficient connectivity. Made from forged or drawn high-quality steel, this union nut conforms to the latest DIN standards, providing excellent durability and resistance to wear. It features a thread size of M 26x1.5 and is compatible with 18 mm tube outer diameters, making it suitable for various industrial setups.

With a pressure rating varying from 160 to 630 bar, the WALpro Series Nut is engineered to withstand demanding conditions, delivering optimal performance up to temperatures of 120°C. Its construction and design make it an ideal choice for professionals seeking dependable hydraulic fittings that meet stringent industry standards.

SKU: WAL039847

Supplier Part Number (MPN): WAL039847

Alternate Part Numbers: C1KX15, MI-01675414, MINO-04854Q18228

Specifications

Brand Danfoss Power Solutions (II LLC Aeroquip)	Brand Aeroquip	Pack Size 1.00	UOM EA	Maximum Operating Pressure 400	Series WALpro	Supplier Part Number WAL039847	Thread 1 M 26x1.5	Tube O.D. 18	Tube O.D. 18	Alternate Part Numbers Alternate Part Number C1KX15, Alternate Part Number MI-01675414, Alternate Part Number MINO-00015X15827, Alternate Part Number MINO-04854Q18228	Product Weight 0.02 lbs

Similar Products

Model Number	Tube O.D.	Series	Maximum Operating Pressure	Thread 1
WAL039843 Steel Metric Flareless Nut	8	WALpro	500	M 14x1.5
WAL039844 Steel Metric Flareless Nut	10	WALpro	500	M 16x1.5
WAL039857 Steel Metric Flareless Nut	16	WALpro	630	M 24x1.5
WAL039859 Steel Metric Flareless Nut	25	WALpro	420	M 36x2.0
WAL039860 Steel Metric Flareless Nut	30	WALpro	420	M 42x2.0
WAL039840 Steel Metric Flareless Nut	6	LL	100	M 10x1.0
WAL039842 Steel Metric Flareless Nut	6	WALpro	500	M 12x1.5
WAL039845 Steel Metric Flareless Nut	12	WALpro	400	M 18x1.5
WAL039846 Steel Metric Flareless Nut	15	WALPro	400	M 22x1.5
WAL039847 Steel Metric Flareless Nut	18	WALpro	400	M 26x1.5
WAL039848 Steel Metric Flareless Nut	22	WALpro	250	M 30x2.0
WAL039852 Steel Metric Flareless Nut	6	WALPro	800	M 14x1.5
WAL039853 Steel Metric Flareless Nut	8	WALPro	800	M 16x1.5
WAL039854 Steel Metric Flareless Nut	10	WALPro	800	M 18x1.5
WAL039855 Steel Metric Flareless Nut	12	WALPro	630	M 20x1.5
WAL039858 Steel Metric Flareless Nut	20	WALpro	420	M 30x2.0

Product Questions & Answers (3)

Question by: Lance C on Jul 6, 2025, 12:30 PM

thread size on this nut is M 26x1.5 -- that gonna work with standard 18mm OD tubing in a flareless setup?

Answer by: Customer Support on Jul 8, 2025, 8:04 AM

For flareless metric hydraulic connections, that pairing is exactly right. The M 26x1.5 thread on this WALpro nut is spec'd to work with 18mm outer diameter tube, so if your tubing matches that OD, you're in good shape. It's forged or drawn high-quality steel and built to DIN standards, so fitment is consistent with other DIN-compliant components in your system.

Question by: Steve M on Jan 23, 2026, 9:48 AM

got an 18mm tube, will this nut actually match up or am i gonna be fighting it?

Answer by: Customer Support on Jan 25, 2026, 8:04 AM

The key callouts are an 18 mm tube outer diameter and an M26x1.5 thread. If your setup matches those two numbers, this WALpro series union nut is sized to go with it.

Question by: Melvin W on Jul 7, 2025, 5:58 PM

What kind of temperatures can this nut handle?

Answer by: Customer Support on Jul 8, 2025, 7:09 PM

This union nut is rated to handle temperatures up to 120 degrees Celsius.

Steel Metric Flareless Fitting, 18.00 mm WALpro Series Nut

Description & Features

Specifications

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Product Questions & Answers (3)