Description
Overview:
The Spline Screw IS‐M4x25 is a genuine Stihl fastening screw designed for reliable use across high‐vibration outdoor power equipment. Made from steel with a durable finish, it is used to secure components such as covers, housings and brackets so assemblies stay tight during operation. This OEM fastener is sized M4 x 25 mm (approximately 0.16 in x 0.98 in) and is engineered for a precise fit in Stihl machinery, including chainsaws and clearing saws. It is suitable for well-known models such as the MS 380 and 08 S, among many others. As a Genuine Stihl Part, it matches original specifications for fit and function, helping maintain equipment performance and reducing the risk of loosening or damage caused by vibration and repeated use.
Key Features:
- Genuine Stihl OEM part for assured compatibility and quality
- Internal spline drive for positive grip and reduced cam‐out under torque
- Steel construction for strength and long service life
- Precision-made to Stihl tolerances for accurate alignment and seating
- M4 x 25 mm size (0.16 in x 0.98 in) suits common assemblies across platforms
- Stable under vibration to help prevent loosening in service
- Clean thread form for straightforward fitting and removal
- Suitable for routine repairs, overhauls and preventive maintenance
- Supports consistent clamping force to protect components and seals
- Direct replacement for the listed Stihl part numbers
Typical Applications:
Used to fasten recoil starter covers, shrouds, belt or guard plates, handle mounts, carburettor or air box brackets, ignition module plates and similar fixtures on Stihl chainsaws, cut‐off saws, brushcutters, clearing saws, earth augers and pole pruners. Ideal wherever a compact M4 machine screw with an internal spline drive is specified to keep assemblies secure during frequent use and vibration.
Also known as:
Internal spline screw, IS‐M4x25 machine screw, M4 x 25 mm screw, spline drive screw, M4 fixing, M4 bolt, fastener, metric machine screw, Stihl IS screw, component fixing screw.
Fits Models:
038, 048, 08 S, 08S, BT 360, BT360, FS 360, FS 360 C, FS 410 C, FS 420, FS 420 L, FS 460 C, FS 460 RC, FS 490 C, FS 500, FS 510 C, FS 550, FS 550 L, FS 560 C, FS360, FS360C, FS410C, FS420, FS420L, FS460C, FS460RC, FS490C, FS500, FS510C, FS550, FS550L, FS560C, HTA 150.0, HTA 160.0, HTA150.0, HTA1500, HTA160.0, HTA1600, MS 380, MS 381, MS380, MS381, P 835, P 840, P835, P840, TS 350, TS 350 AVE, TS 360, TS350, TS350AVE, TS360
Alternate Part Numbers:
9022-313-0740, 90223130740
Product Specifications
| L&S Part No. | 9022 313 0740 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 90223130740 |
| Unit of Sale | 1 |
| Applications | 038, 048, 08 S, 08S, BT 360, BT360, FS 360, FS 360 C, FS 410 C, FS 420, FS 420 L, FS 460 C, FS 460 RC, FS 490 C, FS 500, FS 510 C, FS 550, FS 550 L, FS 560 C, FS360, FS360C, FS410C, FS420, FS420L, FS460C, FS460RC, FS490C, FS500, FS510C, FS550, FS550L, FS560C, HTA 150.0, HTA 160.0, HTA150.0, HTA1500, HTA160.0, HTA1600, MS 380, MS 381, MS380, MS381, P 835, P 840, P835, P840, TS 350, TS 350 AVE, TS 360, TS350, TS350AVE, TS360 |
| Machine Type | Chainsaws, Brushcutters, Disc Cutters, Pole Pruners |
| Fits Brands | Stihl |
| Fits Models | TS350, TS360 | 08S | MS380 | FS360C FS410C | FS460C, FS460RC | FS500, FS550, FS550L | FS360, FS420, FS420L (older models) | FS490C, FS510C, FS560C | MS381 | 038 | 048 | BT 360 | P835, P840 | HTA 150.0 | HTA 160.0 | FS361C | FS411 C-EM | FS461 C-EM | FS491 C-EM | FS561 C-EM | FS461 C-EML |
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