The Husqvarna 503226504 Square Nut is a genuine OEM fastener designed for Husqvarna K-series power cutters, including the K770, K970, K760, K950, K750, K1270, K1PACE, and many more models across the K-series lineup. As a factory-original component, this square nut is manufactured to Husqvarna's exact specifications, ensuring a proper threaded engagement and secure hold wherever it is used in the assembly. DHS Equipment supplies this part to help keep your power cutter properly assembled and performing as intended. Cross-reference part number 503226504 against your parts diagram to confirm placement before ordering.
Key Features
- Genuine OEM Fastener Grade — Manufactured to Husqvarna's exact material and dimensional specifications, ensuring correct thread form and load-bearing integrity for secure assembly.
- Direct Drop-In Replacement — Designed to seat and thread exactly as the original, with no reworking of surrounding hardware or mounting points required.
- Broad K-Series Compatibility — Fits a wide range of Husqvarna power cutters including the K770, K970, K760, K950, K750, K1270, K650, K1PACE, K540i, and additional K-series models.
- Structural Assembly Integrity — A correctly fitted square nut maintains the clamping force and positional accuracy of connected components; a missing or damaged fastener can cause assembly looseness and component misalignment.
- Operational Safety — On a handheld power cutter operating under heavy vibration and cutting loads, every fastener in the assembly plays a role in keeping components securely retained — using the correct OEM part matters.
A square nut is a four-sided fastener used in recessed channels, slots, or tight-clearance locations where a standard hex nut cannot be held or rotated during assembly. Its flat sides lock against the surrounding material to resist turning, allowing a bolt or screw to be tightened from one side alone. On high-vibration equipment like K-series power cutters, maintaining the correct fastener type and fit is essential — substituting an incorrect nut can result in inadequate clamping, loosening under load, or damage to the mating hardware.
Part Details
| Part Number | 503226504 |
|---|---|
| Brand | Husqvarna |
| Part Type | Genuine OEM |
| Description | Square Nut |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Cutter | K2500 |
| Power Cutter | K40 |
| Power Cutter | K4000 |
| Power Cutter | K760 |
| Power Cutter | K760II |
| Power Cutter | K770 |
| Power Cutter | K950 |
| Power Cutter | K970 |
| Power Cutter | K1PACE |
| Power Cutter | K1270 |
| Power Cutter | K650 |
| Power Cutter | K1250 |
| Power Cutter | K3000VAC |
| Power Cutter | K700 |
| Power Cutter | K750 |
| Power Cutter | K950Rescue |
| Power Cutter | K960 |
| Power Cutter | KV03MKII |
| Power Cutter | KV03 |
| Power Cutter | K3000 |
| Power Cutter | K540i |
| Power Cutter | K650CutnBreak |
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.
