Description
Overview:
This Genuine Husqvarna Nut M6m M5 is a metric hex nut used to secure key assemblies on Husqvarna machinery. Built from durable metal, it provides a firm, repeatable clamp to keep components in place under demanding use. Common on disc cutters such as the K30 and K40, as well as a wide range of brushcutters and clearing saws, it helps maintain safe, reliable operation by fastening guards, flanges, housings and handle parts. Manufactured to Husqvarna specifications for a precise fit, and supplied under MPN 731231405, it is suitable for both professional and DIY maintenance. The straightforward hex profile works with standard hand tools, making installation quick and reducing downtime during routine service or part replacement.
Key Features:
- Genuine Husqvarna part for direct, reliable replacement
- Metric M5 thread for correct fit on listed models
- Hex profile suits standard spanners and sockets for easy fitting
- Strong metal construction for heavy-duty applications
- Helps keep blade guards, flanges and covers securely fastened
- Stable under vibration when tightened to the correct torque
- OEM dimensions support proper alignment and load distribution
- Corrosion-resistant finish helps maintain service life in outdoor use
- Minimal downtime: simple to remove and refit during routine servicing
- Supplied under MPN 731231405 for easy identification
Typical Applications:
Used to fasten blade flanges, guard brackets, gearbox or clutch covers, handle frames and other hardware on Husqvarna disc cutters, brushcutters and trimmers. Suitable for workshop repairs, field replacements and routine servicing where a dependable metric nut is required to restore or maintain safe operation in construction, landscaping and grounds care environments.
Also known as:
M5 nut, metric nut, hexagon nut, fastening nut, securing nut, fixing nut, replacement nut for disc cutters and brushcutters. Sometimes referred to as an equipment nut or small parts fastener within Husqvarna assemblies.
Fits Models:
120 L, 120 LC, 120L, 120LC, 120R, 122 L, 122L, 125RB, 125RD, 132 L, 132 LD, 132L, 132LD, 132R, 132RB, 132RD, 132RJ, 133R, 142R, 142RB, 142RJ, 143R, 152RB, 152RJ, 153R, 23 L, 23 LC, 23L, 23LC, 23R, 240RBD, 26 L, 26 LC, 265RX, 268K, 26L, 26LC, 26R, 272K, 32 BL, 32 BT, 32BL, 32BT, 343F, 343FR, 343FRM, 343R, 345FR, 345FX, 345FXT, 345R, 345RX, 355FRM, 355FX, 355FXT, 355RX, 545F, 545FR, 545FX, 545FXAT, 545FXT, 545FXTAT, 545RX, 545RXT, 545RXTAT, 555FRM, 555FX, 555FXT, 555RXT, K30, K40
Alternate Part Numbers:
731 23 14-05, 731231405
Product Specifications
| L&S Part No. | 731 23 14 05 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Husqvarna |
| OEM No. | 731231405 |
| Unit of Sale | 1 |
| Applications | 120 L, 120 LC, 120L, 120LC, 120R, 122 L, 122L, 125RB, 125RD, 132 L, 132 LD, 132L, 132LD, 132R, 132RB, 132RD, 132RJ, 133R, 142R, 142RB, 142RJ, 143R, 152RB, 152RJ, 153R, 23 L, 23 LC, 23L, 23LC, 23R, 240RBD, 26 L, 26 LC, 265RX, 268K, 26L, 26LC, 26R, 272K, 32 BL, 32 BT, 32BL, 32BT, 343F, 343FR, 343FRM, 343R, 345FR, 345FX, 345FXT, 345R, 345RX, 355FRM, 355FX, 355FXT, 355RX, 545F, 545FR, 545FX, 545FXAT, 545FXT, 545FXTAT, 545RX, 545RXT, 545RXTAT, 555FRM, 555FX, 555FXT, 555RXT, K30, K40 |
| Machine Type | Disc Cutters, Brushcutters |
| Fits Brands | Husqvarna |
| Fits Models | K30 | K40 | 268K | 272K | 120R | 125RB | 125RD | 132R | 132RB | 132RD | 132RJ | 133R | 142R | 142RB | 142RJ | 143R | 152RB | 152RJ | 153R | 23R | 240RBD | 26R | 265RX | 343F | 343FR | 343R | 345FR | 345FX | 345FXT | 345R | 345RX | 355FRM | 355FX | 355FXT | 355RX | 545FR | 545FX | 545FXAT | 545RX | 545RXT | 545RXTAT | 555FRM | 555FX | 555FXT | 555RXT | 545FXT | 545FXTAT | 120 L | 120 LC | 122 L | 132 L | 132 LD | 23 L | 23 LC | 26 L | 26 LC | 32 BL | 32 BT | 545F | 343FRM |
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