The Husqvarna 503222007 Lock Nut is a genuine OEM replacement designed for the K1250 power cutter. This component is sourced directly through Husqvarna's parts program, ensuring it meets the exact specifications of the original hardware used in production. DHS Equipment supplies this part to help keep your K1250 running as it should. Cross-reference part number 503222007 against your parts diagram to confirm the correct position before ordering.
Key Features
- Genuine OEM Specification — manufactured to the same thread pitch, hardness, and torque retention standards as the original Lock Nut installed at the factory, ensuring consistent clamping force under load.
- Direct Hardware Match — this Lock Nut threads directly onto the original fastener position without modification, maintaining correct preload and alignment for the assembly it secures.
- Confirmed K1250 Fitment — engineered specifically for the K1250 power cutter; verify against your machine's parts diagram using part number 503222007 to ensure correct application.
- Retained Locking Force — a correctly functioning lock nut prevents fastener back-off under the vibration and load cycles typical of high-output power cutter operation, keeping critical assemblies securely torqued.
A lock nut is a fastener designed to resist loosening under vibration, cyclic loading, and thermal expansion — conditions that are constant during power cutter operation. It achieves this through a locking mechanism, such as a nylon insert or deformed thread profile, that creates friction and resistance against rotation. When a lock nut is worn, stripped, or missing, the fastener it secures can back off during use, compromising the integrity of the assembly and potentially leading to component misalignment or failure.
Part Details
| Part Number | 503222007 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K1250 |
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.
