The Wacker Neuson Hex Nut is a genuine OEM fastener designed for the HSH700 and HSH650 hydronic surface heaters. Sourced directly from Wacker Neuson, this hex nut meets the exact specifications required for correct assembly and secure operation on these machines. As a genuine OEM component, it delivers the material grade, thread spec, and dimensional accuracy that the original design calls for. Confirmed fitment covers the HSH700 and HSH650 series, so you can order with confidence knowing this is the right part for your machine.
Key Features
- Genuine OEM Fastener Grade — Manufactured to Wacker Neuson's specified material hardness and thread tolerance, ensuring the nut seats and torques correctly without stripping or backing off under vibration.
- Exact Thread and Dimensional Match — Threads engage directly with the mating hardware as originally assembled, with no chasing or re-tapping required.
- Confirmed HSH Series Fitment — Verified for the HSH700 and HSH650 hydronic surface heaters, covering both common configurations in this product family.
- Structural Integrity Under Thermal Cycling — Hydronic heater assemblies expand and contract with heat; a correctly spec'd hex nut maintains clamping force through repeated thermal cycles where an undersized or incorrect fastener can loosen over time.
- Fuel and Fluid System Compliance — Used in assemblies that may be in proximity to heated fluid circuits, correct fastener spec is essential to maintaining sealed connections and safe system pressure.
A hex nut is a standard threaded fastener used to clamp and secure components together along a bolt or stud. In a hydronic surface heater like the HSH700 or HSH650, fasteners throughout the assembly hold fluid lines, panels, and mechanical components under both mechanical load and thermal stress. When a hex nut is stripped, corroded, or dimensionally incorrect, it cannot maintain proper clamping force, which can result in loose connections, fluid leaks, or component misalignment. Using the correct OEM-spec replacement ensures the joint performs exactly as the machine was engineered to operate.
Part Details
| Part Number | 5000176630 |
|---|---|
| Old Part Number | 0176630 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hex Nut |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| HSH700 | HSH700G | 5000620243 |
| HSH650 | HSH650 | 5000620991 |
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.
