The Multiquip RBRB253046 is a genuine OEM External Lockwasher (7/8") designed for the JB-series and JPU1 rebar benders, including models JB7135, JB5090, JB8090, JB9180, JB5135, JB7090. As a direct Multiquip OEM part, RBRB253046 matches the original hardware specification exactly, ensuring proper clamp load and secure fastener retention in critical assembly points. Sourced directly through authorized Multiquip distribution, this lockwasher is the correct replacement when servicing or reassembling any covered JB-series or JPU1 model.
Key Features
- Genuine OEM Hardware Grade — Manufactured to the original hardness and dimensional spec for a 7/8" external lockwasher, delivering consistent bite and torque retention in rebar bender assemblies.
- Drop-In Hardware Replacement — Sized to the original 7/8" fastener stack, this lockwasher seats and torques the same as the factory-installed component with no rework needed.
- Broad JB-Series and JPU1 Coverage — Confirmed fitment across JB5090, JB5135, JB7090, JB7135, JB8090, JB9180, JB11090, and JPU1 rebar bender models.
- Prevents Fastener Back-Out — External tooth design bites into both the fastener face and mating surface, locking hardware in place under the vibration and cyclic loading typical of rebar bending operations.
- Verified Multiquip Part Number — Ordering RBRB253046 by part number eliminates substitution risk and ensures the correct washer diameter, tooth count, and material arrive the first time.
An external lockwasher works by using serrated outer teeth that dig into the bearing surface of a bolt head or nut and the mating component beneath it, creating mechanical resistance that prevents the fastener from loosening under load or vibration. In a rebar bender, fasteners holding structural pivot points, drive components, and guard assemblies are subject to repeated mechanical stress with every bending cycle. A worn, deformed, or missing lockwasher allows fasteners to gradually back out, which can lead to loosening of critical assemblies, increased play in moving parts, and accelerated wear on surrounding components.
For fitment questions or ordering assistance, contact the DHS Equipment team to confirm compatibility with your specific machine configuration.
Part Details
| Part Number | RBRB253046 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | External Lockwasher (7/8") |
Compatibility & Fitment
| Name | Model |
|---|---|
| Rebar Benders | JB7135 |
| Rebar Benders | JB5090 |
| Rebar Benders | JB8090 |
| Rebar Benders | JB9180 |
| Rebar Benders | JB5135 |
| Rebar Benders | JB7090 |
| Rebar Benders | JB11090 |
| Rebar Benders | JPU1 |
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.
