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Steel Metric Flareless Fitting, 10.00 mm WALPro Series Nut

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Description & Features

The Danfoss/Eaton Waltech WALPro Series Union Nut is crafted from high-quality forged or drawn steel ensuring durability and reliability in industrial applications. This fitting conforms to the latest DIN standards guaranteeing compatibility and performance.

Designed for a maximum operating pressure of 800 within the series S it provides a pressure rating that varies from 160 to 630 bar maintaining a 4:1 safety factor. The WALPro series nut supports a temperature range up to 120deg;C making it suitable for a wide range of demanding environments.

Featuring a thread size of M 18x1.5 and supporting a tube O.D. of 10 mm this union nut is a dependable component for metric steel flareless fittings. Its specific design ensures a secure fit and consistent performance under varying pressure conditions.

MPN: WAL039854

Specifications

Brand
Danfoss Power Solutions (II LLC Aeroquip)
Brand
Aeroquip
Pack Size
1.00
UOM
EA
Maximum Operating Pressure
800
Series
WALPro
Supplier Part Number
WAL039854
Thread 1
M 18x1.5
Tube O.D.
10
Tube O.D.
10
Alternate Part Numbers
Alternate Part Number C1KX20, Alternate Part Number MI-01675409, Alternate Part Number MINO-04854Q18223
Product Weight
0.07 lbs

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Product Questions & Answers (2)

Question by: Ralph M on Sep 8, 2025, 7:04 PM
Running M 18x1.5 thread on a 10 mm tube line and need to confirm this nut'll fit before I pull the trigger on an order. That the right spec?
Answer by: Customer Support on Sep 9, 2025, 9:07 PM
that lines up exactly. The WAL039854 is built for a 10 mm tube O.D. with M 18x1.5 thread, so you've got the right part. It's a union nut in the WALPro series, forged or drawn from high-quality steel, and it conforms to current DIN standards for metric flareless fittings. Should drop right into place without any headaches.
Question by: Gene M on Nov 16, 2025, 5:44 PM
i’ve got a 10mm metric steel flareless setup, is this the right nut for it or am i barking up the wrong tree
Answer by: Customer Support on Nov 18, 2025, 6:15 AM
The key callouts are a 10 mm tube O.D. and an M 18x1.5 thread. If your metric steel flareless connection uses those two specs, this WALPro series union nut matches that size.