The Multiquip EM969038 Stop Nut Regular 3/4"-10 is a genuine OEM fastener designed for C30HD series concrete pumps and AR13H series asphalt ride-on rollers. As a direct OEM replacement, EM969038 meets Multiquip's original design specifications, ensuring correct thread engagement and holding force in critical fastening applications. Confirmed fitment includes the C30HDZ, C30HDG, C30HDN, C30HDNI, C30HDNI Precision, C30HDNI Zenith, AR13H, and AR13HC.
Key Features
- Genuine OEM Thread Specification — Manufactured to the original 3/4"-10 thread standard, delivering consistent clamping load and torque retention in structural and mechanical connections.
- Locking Design — The stop nut configuration resists loosening under vibration and load cycling, maintaining joint integrity across demanding concrete pumping and roller compaction applications.
- Drop-In Replacement — Matches the original fastener profile exactly, threading directly onto existing 3/4"-10 hardware without rework or modification to mating components.
- Broad Series Fitment — Covers C30HDZ, C30HDG, C30HDN, C30HDNI, C30HDNI Precision, C30HDNI Zenith, AR13H, and AR13HC, making it a versatile stocking part across multiple Multiquip equipment lines.
- Structural Reliability — A worn or missing stop nut can allow critical assemblies to work loose during operation; using the correct OEM part maintains the clamping integrity the machine was built around.
A stop nut is a fastener designed to resist self-loosening when subjected to vibration, shock loads, or dynamic forces during machine operation. The locking feature — typically a nylon insert or distorted thread profile — grips the mating bolt or stud and prevents the nut from backing off over time. In equipment like concrete pumps and ride-on rollers, where mechanical stress is constant and joint failure can affect machine control or structural integrity, using the correct stop nut at the specified thread size is essential. A missing or incorrect nut can lead to loosening of connected components, accelerating wear and creating unsafe operating conditions.
Verify your model number before ordering. If you have questions about fitment for EM969038, contact the DHS Equipment parts team for confirmation.
Part Details
| Part Number | EM969038 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Stop Nut Regular 3/4"-10 |
Compatibility & Fitment
| Name | Model |
|---|---|
| Mayco Pumps | C30HDZ |
| Mayco Pumps | C30HDG |
| Mayco Pumps | C30HDNI Precision |
| Mayco Pumps | C30HDNI Zenith |
| Rollers | AR13HC |
| Rollers | AR13H |
| Mayco Pumps | C30HDN |
| Mayco Pumps | C30HDNI |
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.
