The Husqvarna 578850101 Nut is a genuine OEM replacement component designed for Husqvarna floor saws, including the FS5000, FS5000D, FS7000D, FS7000DL, and FS7000DMT. Sourced directly from Husqvarna, this nut is manufactured to the exact dimensions and material specifications required for proper assembly on these machines. Cross-reference part number 578850101 against your parts diagram to confirm the correct position before ordering. DHS Equipment supplies this part to help keep your floor saw operating at full capacity.
Key Features
- Genuine OEM Construction — manufactured by Husqvarna to the precise threading, dimensional, and material standards required for secure, lasting fastening on heavy-duty floor saw assemblies
- Direct Assembly Fit — engineered as a drop-in replacement that seats and torques correctly without reworking mounting points or mating hardware
- Broad Floor Saw Compatibility — confirmed fitment across the FS5000, FS5000D, FS7000D, FS7000DL, and FS7000DMT walk-behind floor saw models
- Structural Integrity Restored — a correctly spec'd nut maintains proper clamping load across assembled components; an undersized or worn fastener can lead to loosening, misalignment, or component damage under the vibration loads typical of floor saw operation
- Verified Part Number — ordering by Husqvarna article number this part ensures you receive the exact fastener for your machine's assembly, eliminating guesswork on thread pitch or grade
A nut is a threaded fastener that works in conjunction with a bolt or stud to clamp and secure components within an assembly. On a walk-behind floor saw like the FS5000 or FS7000D series, fasteners throughout the machine are subject to significant vibration and load during cutting operations, making correct thread engagement and proper torque critical to safe, stable performance. Using the correct OEM-spec nut ensures the joint holds to design parameters and that mating hardware is not stressed or damaged by an improper fit.
Part Details
| Part Number | 578850101 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Floor Saw | FS5000D |
| Floor Saw | FS7000D |
| Floor Saw | FS7000DL |
| Floor Saw | FS7000DMT |
| Floor Saw | FS5000 |
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.
