Wacker Neuson 5000025724 Lock Nut 1/2-13 Hex Nylon
Wacker Neuson

Wacker Neuson 5000025724 Lock Nut 1/2-13 Hex Nylon

$1.25
(No reviews yet) Write a Review
SKU:
5000025724-Wacker Neuson
Adding... The item has been added

The Wacker Neuson Lock Nut 1/2-13 Hex Nylon is a genuine OEM fastener designed for a broad range of Wacker Neuson G-Series portable generators, PT-Series centrifugal trash pumps, and vibratory truss screed power sections. As a direct factory replacement, meets the exact thread specification and nylon-insert locking standard called out in the original equipment build. This fastener fits across numerous G-Series generator configurations — including the G120, G150, G160, G180, G230, G240, and G320 mobile generator lines — as well as PT2 and PT3 trash pumps and HC, HE, HP, and SE screed power sections.

Key Features

  • Genuine OEM Thread Integrity — Sourced directly from Wacker Neuson, this lock nut is manufactured to the exact 1/2-13 UNC thread specification, ensuring full thread engagement with no risk of cross-threading or dimensional mismatch.
  • Nylon-Insert Locking Mechanism — The interference-fit nylon collar resists loosening under vibration, making this fastener especially well-suited for generators and pumps that operate under sustained engine vibration loads.
  • Broad Cross-Family Fitment — A single part number covers G120 through G320 mobile generators, PT2A/PT2B/PT2Y/PT3A/PT3B trash pumps, and HC, HE, HP, HPG, and SE screed power sections, consolidating your parts inventory.
  • Maintains Secure Assembly Connections — A properly torqued, undamaged lock nut keeps critical structural and mechanical joints secured; a stripped or missing fastener can allow components to shift under load, leading to misalignment or premature wear.
  • Hex Drive for Standard Tooling — Standard hex profile accepts common 3/4 in. wrenches and sockets, so installation or replacement requires no specialized tools on the job.

A hex nylon lock nut uses a nylon insert pressed into the top of the hex body to create friction against the bolt threads once the nut is driven past the insert. This friction resists self-loosening caused by vibration, shock loads, and thermal cycling — conditions that are constant in generator sets and water pumps running under continuous load. When a lock nut is worn, cross-threaded, or missing entirely, the fastened joint can work loose over time, allowing panels, brackets, or mechanical assemblies to shift in ways that cause accelerated wear, leaks, or outright component failure. Replacing a damaged lock nut promptly with the correct OEM piece restores the clamping force and vibration resistance the assembly was engineered to maintain.

Part Details

Part Number5000025724
Old Part Number0025724
BrandWacker Neuson
Part TypeGenuine OEM
DescriptionLock Nut 1/2-13 Hex Nylon

Compatibility & Fitment

Name Model Machine Number
Mobile Generator (Cold Weather ) G120 5000620291, 5000620290, 5000620292
Skid-mounted Mobile Generator G160 5000009306, 5000620069, 5000620070
G150-GENERATOR, SKID, CUSTOM, DEERE T3 G150 5000620657, 5200001321, 5200006902, 5000620656, 5000620306, 5000620655, 5200003160, 5000620889, 5000620307, 5200007860, 5000620308, 5000620887, 5000620888, 5200014784, 5200010135, 5200010136, 5200010137, 5200025554, 5100025830
Mobile Generator G180 5200001322, 5000620303, 5200007861, 5000620304, 5000620305, 5000620659, 5000620658, 5200003161, 5200025555
Mobile Generators G240 5200001323, 5000620300, 5000620301, 5000620302, 5200025556
Mobile Generator G230 5200007862, 5100015614
Mobile Generator (custom) G125 5000620067, 5000620068, 5000009261
G320 Generator, Standard T4i G320 5000620275, 5200008718, 5200010219, 5200010260, 5200010144, 5200010145, 5200010146, 5100045191, 5100045601, 5100045602, 5200008717, 5100018533, 5100049848, 5100049849, 5200010261
50mm/2in Centrifugal Trash Pum p PT2Y 5000007117
G150 Generator,Hertz,T4 Final G150 Generator,Hertz,T4 Final 5100015616
50mm/2in Centrifugal Trash Pum p PT2A 5000006720, 5000006721
50mm/2in Centrifugal Trash Pum p PT2B 5000006722
HPG100A HPG100A 5000009507
HP50A HP50A 5000009508
75mm/3in Centrifugal Trash Pum p PT3A 5000006729, 5000006730
Vibratory Truss Screed, Power Section HP100A 5000009506
HPG50A HPG50A 5000009509
HE25 HE25 5000130382, 5000115713
Light Tower LTC4L 5000009311
HE100 HE100 5000130384, 5000115711
HC25 HC25 5000130376, 5000115710
HC50 HC50 5000130377, 5000115709
HC100 HC100 5000130378, 5000115708
HE50 HE50 5000130383, 5000115712
75mm/3in Centrifugal Trash Pum p PT3B 5000006731
Vibratory Truss Screed, Power Section HP100 5000008291
Vibratory Truss Screed, Power Section HP50 5000008292
Vibratory Truss Screed, Power Section HPG100 5000008293
Vibratory Truss Screed, Power Section HPG50 5000008294
SE 75_0115720 ction SE75 5000115720
SE 50_0115721 ction SE50 5000115721
SE 25_0115722 ction SE25 5000115722

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.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.