Description
Overview:
This flange nut is a small but important fixing used to secure components on ECHO outdoor power equipment. Made from robust steel with a protective finish, it features an integrated flange that spreads load and helps resist loosening in high‐vibration use. As a Genuine ECHO part (OEM 43301903933), it offers the correct fit and reliable performance for ongoing maintenance and repairs. Designed for ECHO chainsaws and related tools, it is commonly used on compact professional saws such as the CS-320TES and CS-350TES. Whether replacing a worn fastener or refitting a serviced assembly, this flange nut helps keep covers, guards or attachments firmly in place so your machine runs safely and consistently on site or in the garden.
Key Features:
- Genuine ECHO part for assured compatibility and quality (OEM 43301903933)
- Steel construction with a durable, corrosion‐resistant finish
- Integrated flange distributes clamping load for a secure hold
- Resists loosening under vibration typical of chainsaw use
- Precise thread for smooth installation and repeatable torque
- Fits a wide range of ECHO chainsaws and power pruners
- Simple to fit using standard hand tools (spanner or socket)
- Suitable for routine servicing and long‐term maintenance
Typical Applications:
Used to fasten and retain components on ECHO chainsaws and related equipment during maintenance or repair. Ideal for securing covers, guards, brackets and other assemblies that must remain tight during cutting, pruning or site work. Suitable for workshop rebuilds, fleet upkeep, and DIY servicing to restore reliable operation.
Also known as:
Hex flange nut, flanged fastening nut, retaining nut, fixing nut for chainsaws, ECHO fastening nut, OEM flange nut for outdoor power tools.
Fits Models:
320TS, 361WS, 362WS, CS-320TES, CS-350TES, CS-350WES, CS-360WES, CS-361WES, CS-362WES, MB-440, MB-580, MB-5810, MB440, MB580, MB5810, MTA-PP/E, MTA-PP/S, MTAPPE, MTAPPS, PPT-300ES, PT262S, PT266S
Alternate Part Numbers:
43301903933
Product Specifications
| L&S Part No. | EC43301903933 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Echo |
| Unit of Sale | 1 |
| Applications | 320TS, 361WS, 362WS, CS-320TES, CS-350TES, CS-350WES, CS-360WES, CS-361WES, CS-362WES, MB-440, MB-580, MB-5810, MB440, MB580, MB5810, MTA-PP/E, MTA-PP/S, MTAPPE, MTAPPS, PPT-300ES, PT262S, PT266S |
| Machine Type | Chainsaws |
| Fits Brands | Echo |
| Fits Models | CS-320TES | CS-350TES | CS-362WES | CS-350WES | CS-360WES | CS-361WES | PPT-300ES | MB-440 | MB-580 | MB-5810 | PT262S | PT266S | 320TS | 361WS | 362WS | MTA-PP/S |
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