The Multiquip 10490 Lock Nut 3/8 NPT Galvanized is a genuine OEM fastener designed for JTO-SERIES Whiteman ride-on power trowels. Sourced directly from Multiquip, this part matches the original hardware specification so it installs without guesswork. The galvanized finish delivers corrosion resistance suited to the wet concrete and outdoor environments where trowels regularly operate. If you are maintaining or repairing a JTO-SERIES machine, part number 10490 is the correct OEM replacement for this position.
Key Features
- Genuine OEM Hardware Grade — Correct thread form and locking strength for a 3/8 NPT application, engineered to Multiquip's original fastener specification rather than a generic hardware substitute.
- Galvanized Corrosion Protection — Zinc-galvanized coating resists rust and surface degradation when exposed to fresh concrete, water, and outdoor conditions common on finishing jobs.
- Direct-Thread Installation — 3/8 NPT thread profile seats and torques to the same interface as the original, requiring no thread chasing or modification to the mating component.
- JTO-SERIES Fitment Confirmed — Verified for Whiteman JTO-SERIES ride-on power trowels; use part number 10490 to confirm the correct application before ordering.
- Locking Retention Under Vibration — The locking feature resists loosening caused by the continuous vibration and blade-load cycling that ride-on trowels generate during concrete finishing passes.
A lock nut is a threaded fastener engineered to resist backing off under vibration and dynamic loading. On a ride-on power trowel like the JTO-SERIES, components are subjected to constant rotational forces and vibration as the blades work the concrete surface, making a standard nut prone to gradual loosening. The lock nut maintains clamp load at its joint so connected components stay secured and properly aligned throughout the finishing operation. A missing or damaged lock nut at a critical joint can allow movement that accelerates wear on surrounding hardware and compromises the consistency of the trowel's blade pitch.
For fitment questions or to confirm that Multiquip 10490 is the right part for your machine, contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | 10490 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Lock Nut 3/8 NPT Galvanized |
Compatibility & Fitment
| Name | Model |
|---|---|
| Whiteman Ride-On Power Trowels | JTO-SERIES |
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.
