The Husqvarna 503222102 Lock Nut is a genuine OEM replacement designed for K950, K960, K970, and K1250 power cutters. This fastener is built to Husqvarna's exact specifications, ensuring the correct thread engagement, torque retention, and dimensional fit for the assembly it secures. Cross-reference part number 503222102 against your parts diagram to confirm the correct position before ordering. DHS Equipment supplies this part to help keep your equipment running at full capacity.
Key Features
- OEM Thread and Torque Spec — Manufactured to Husqvarna's exact thread pitch and hardness rating, ensuring proper clamping force without risk of stripping or loosening under load.
- Drop-In Fastener Replacement — Matches the original mounting position exactly, threading directly into the factory-specified location with no rework or adaptation to the surrounding assembly.
- Broad Power Cutter Compatibility — Fits the K950, K960, K970, and K1250 power cutters, covering multiple models across Husqvarna's professional handheld cutting lineup.
- Secure Locking Under Vibration — A lock nut that loses its holding force allows critical components to shift or detach during operation. This genuine replacement restores the mechanical security the assembly depends on.
- Verified Genuine OEM Part — Sourced directly from Husqvarna, this component meets the same standards as the hardware installed at the point of manufacture.
A lock nut is engineered to resist loosening when subjected to vibration, torque, and repeated mechanical stress — conditions that are constant during power cutter operation. Unlike a standard nut, its locking feature maintains clamping force on the fastened joint over time, preventing unwanted movement between assembled components. When a lock nut fails or is missing, the integrity of the joint it secures is compromised, which can lead to component misalignment, accelerated wear on surrounding parts, or loss of a secured assembly during use.
Part Details
| Part Number | 503222102 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Lock Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K960 |
| Power Cutter | K970 |
| Power Cutter | K950 |
| 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.
