Description
Overview:
The Spline Screw IS-M5x40 is a genuine Stihl fastener for securing components across a wide range of Stihl machines, including chainsaws and cut-off saws such as the 064 and 048. It uses an M5 thread with a 40 mm length (5 mm x 40 mm) and features a spline drive head for positive engagement and reduced cam-out. Manufactured from high-quality steel with a durable, corrosion-resistant finish, it is designed to withstand vibration and tough outdoor use. Supplied under Manufacturer Part Number (MPN) 9022 341 1090, this OEM screw helps maintain correct assembly, alignment, and safety of housings, covers, guards, and attachments. Choosing a genuine Stihl screw supports long service life, consistent performance, and straightforward maintenance.
Key Features:
- Genuine Stihl OEM screw for dependable fit and function
- M5 x 40 sizing suited to many factory Stihl assemblies
- Spline drive head for secure grip and reduced tool slip
- High-strength steel with corrosion-resistant finish
- Resists loosening under vibration in demanding conditions
- Clean threads for smooth installation and removal
- Helps maintain alignment of covers, guards, and housings
- Supports safe, reliable operation after repairs or servicing
- Compatible with a wide range of Stihl chainsaws, brushcutters, hedge trimmers, cut-off saws, and Kombi tools
- Identified by MPN 9022 341 1090 for easy cross-checking
Typical Applications:
Used to secure engine shrouds, starter covers, handle frames, gear housings, guard plates, and accessory interfaces on Stihl equipment. Suitable for workshop repairs, routine servicing, and part replacements where an M5 x 40 spline-drive fastener is specified. Ideal for tradespeople, groundcare teams, and DIY users who need reliable, vibration-resistant fastening on outdoor power tools.
Also known as:
M5 x 40 spline screw, multi-spline head screw, M5 machine screw, fixing screw, flange screw, M5 fastener, equipment fixing, OEM fastener, Stihl screw, IS-M5x40 bolt.
Fits Models:
042 AV, 042AV, 048, 050, 051, 064, 066, 076, FH-KM, FH75, FHKM, FS160, FS180, FS220, FS220K, FS280, FS280K, FS290, HEL 600, HEL 600 K, HEL600, HEL600K, HL-KM, HL-KM 0-90 deg, HL-KM0-90deg, HL73, HL73K, HL75, HL75K, HLKM, MS640, MS650, MS651, MS660, MS661, MS661C, MS881, TS510, TS760
Alternate Part Numbers:
9022-341-1090, 90223411090
Product Specifications
| L&S Part No. | 9022 341 1090 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 90223411090 |
| Unit of Sale | 1 |
| Applications | 042 AV, 042AV, 048, 050, 051, 064, 066, 076, FH-KM, FH75, FHKM, FS160, FS180, FS220, FS220K, FS280, FS280K, FS290, HEL 600, HEL 600 K, HEL600, HEL600K, HL-KM, HL-KM 0-90 deg, HL-KM0-90deg, HL73, HL73K, HL75, HL75K, HLKM, MS640, MS650, MS651, MS660, MS661, MS661C, MS881, TS510, TS760 |
| Machine Type | Chainsaws, Brushcutters, Trimmers |
| Fits Brands | Stihl |
| Fits Models | MS640 | TS510 | FS220, FS280, FS290 | FS160, FS180 | MS650 | MS651 | MS660 | MS661, MS661C | 042 AV | 048 | 050, 051 | 064 | 076 | 066 | HL-KM 0-90 deg | HL73, HL73K | HL75, HL75K | HEL 600 K | HEL 600 | MS881 | FS411 C-EM | FS561 C-EM | TS760 | FS461 C-EM | FS491 C-EM | FS461 C-EML | HL 0° - 90° |
