Multiquip EE44419 Hex Nylon-Insert Lock Nut Grade 8

The Multiquip EE44419 Hex Nylon-Insert Lock Nut Grade 8 is a genuine OEM fastener designed for the MLT25DCA towable light tower series. As a direct OEM replacement, this nut is manufactured to the same specifications as the original hardware installed at the factory, ensuring a correct fit within the assemblies it secures. Sourced directly through authorized Multiquip distribution, the EE44419 is the right choice when restoring or maintaining your MLT25DCA light tower to proper working order.

Key Features

• Grade 8 Tensile Strength — Engineered to the Grade 8 hardness rating, this nut handles the high-load fastening demands found in light tower structural and mechanical assemblies.
• Nylon-Insert Locking Design — The integrated nylon collar resists vibration-induced loosening, maintaining clamp load even under the continuous engine and generator vibration typical of towable light tower operation.
• Genuine OEM Part — Supplied as an original Multiquip component, the EE44419 meets the exact material and thread specification of the hardware it replaces — no guesswork on sizing or grade.
• Direct Fitment for MLT25DCA — Confirmed compatible with the MLT25DCA towable light tower, making this the correct part to specify for scheduled maintenance or field repairs on that platform.
• Supports Structural Integrity — A failed or under-spec lock nut in a light tower assembly can allow joints to shift or components to work loose during transport and operation; replacing with the correct Grade 8 hardware restores the intended fastening integrity.

A hex nylon-insert lock nut is a prevailing-torque fastener that uses a nylon collar pressed into the top of the hex nut to create friction against the bolt thread, preventing the nut from backing off under vibration or dynamic loading. On a towable light tower like the MLT25DCA, these fasteners appear throughout structural frames, mast assemblies, generator mounting, and accessory brackets where constant vibration from the engine and road transport would quickly loosen a standard nut. When a lock nut loses its holding ability — whether through thread wear, heat exposure, or reuse beyond its service life — the joint it secures can develop movement that leads to misalignment or component damage, making timely replacement with the correct grade critical to safe tower operation.

For questions about fitment or to confirm this is the correct part for your application, contact the DHS Equipment team directly.

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.

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