Wacker Neuson 5000088596 Locking Nut 1/2 NPT

The Wacker Neuson Locking Nut 1/2 NPT is a genuine OEM component designed for the CT36EDT and CT30EDT electric walk-behind concrete trowels. Sourced directly through the Wacker Neuson parts program, this locking nut meets the original equipment specification for correct thread engagement and secure retention on 1/2 NPT fittings. It is the same part installed at the factory, making it a straightforward, confidence-backed replacement for worn or damaged hardware on these machines.

Key Features

• Genuine OEM Thread Integrity — Manufactured to the original 1/2 NPT thread specification, ensuring full engagement and a leak-free, rattle-free lock every time.
• Direct Hardware Replacement — Threads in just like the original factory-installed nut with no re-tapping, shimming, or adaptation needed on the fitting.
• Confirmed Fitment for CT-Series Electric Trowels — Verified for the CT36EDT 915mm/36 in and CT30EDT 762mm/30 in CE electric walk-behind concrete trowels.
• Secure Locking Retention — A correctly torqued locking nut keeps fittings seated under the vibration and load cycles typical of active finishing work; a worn or missing nut risks loosening and fluid or air pathway failure.
• Fluid System Integrity — On powered trowel platforms, a failed NPT locking connection can allow fluid or pneumatic pressure to escape, disrupting consistent machine performance during finishing passes.

A locking nut on a 1/2 NPT fitting serves as the final mechanical anchor that holds a threaded connection securely in place against vibration, torque, and thermal cycling. On electric walk-behind trowels like the CT36EDT and CT30EDT, maintaining tight, leak-free fitting connections is essential to consistent hydraulic or fluid system operation during concrete finishing. When a locking nut loosens or strips, the fitting it secures can back out under load, leading to fluid loss, pressure drop, or unplanned service interruptions mid-pour.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

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