The Wacker Neuson Hexagon Nut is a genuine OEM fastener designed for the HSH700 and HSH650 hydronic surface heaters. Sourced directly from Wacker Neuson, this part meets the exact material and dimensional specifications of the original hardware used on the production line. It is a direct-fit replacement for both the HSH700 and HSH650 models, ensuring correct installation without guesswork. If you are servicing or reassembling a hydronic surface heater and need a verified OEM fastener, part number is the correct replacement.
Key Features
- Genuine OEM Hardware Integrity — Manufactured to Wacker Neuson's precise thread specification and hardness grade, ensuring the nut seats and torques correctly every time.
- Direct Bolt-On Replacement — Matches the original fastener profile on the HSH700 and HSH650, so it threads straight onto existing studs or bolts without modification.
- Confirmed HSH Series Fitment — Verified for the HSH700 and HSH650 hydronic surface heater models, so you can order with confidence.
- Structural Holding Power — A correctly torqued fastener keeps critical assemblies secure under the thermal cycling and vibration loads typical in hydronic heating applications; a worn or wrong-spec nut can lead to joint loosening and system leaks.
- Fuel and Fluid System Safety — Where fasteners secure hose fittings, manifold connections, or burner assemblies on a hydronic heater, using the correct OEM-spec nut is essential to maintaining leak-free, pressure-rated joints.
A hexagon nut is a standard threaded fastener used to clamp and secure components together by threading onto a bolt or stud. On hydronic surface heaters like the HSH700 and HSH650, fasteners play a critical role in holding fluid circuit connections, burner assemblies, and structural panels in place under repeated heat and pressure cycles. Using a fastener with the correct thread pitch, diameter, and material grade ensures joints remain properly clamped; an incorrect or worn nut can back off under thermal expansion, leading to fluid leaks or structural loosening that disrupts heating performance.
Part Details
| Part Number | 5000176564 |
|---|---|
| Old Part Number | 0176564 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Hexagon 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.