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Description
9212 421 0700 Lock Nut M5 STIHL (Genuine OEM Part)
Overview
The STIHL 9212 421 0700 Lock Nut M5 is a genuine OEM fastening component designed to provide secure, vibration-resistant fastening in STIHL outdoor power equipment. Engineered to STIHL’s exact specifications, this lock nut features a locking mechanism that helps prevent loosening during operation, especially in high-vibration environments such as blowers and sprayers.
Commonly used in fan housing assemblies, this M5 lock nut plays a critical role in maintaining structural integrity and ensuring safe, reliable equipment performance. Manufactured from durable, corrosion-resistant steel, it delivers long-lasting strength and dependable holding power.
Product Details
Part Number: 9212 421 0700
Brand: STIHL
Type: Lock Nut
Size: M5
OEM: Genuine STIHL
Material: High-strength steel with locking feature
Condition: New
Function
• Provides secure fastening with anti-loosening design
• Maintains tight connection under vibration
• Prevents components from shifting or detaching
• Supports safe and stable equipment operation
• Ensures long-term reliability in demanding conditions
Compatibility
Used in STIHL equipment including:
BR Series Blowers:
BR 320, BR 320 L, BR 340, BR 380, BR 400, BR 420, BR 420 C
SR Series Sprayers:
SR 400, SR 420
Common application:
• Fan housing assemblies
(Fits multiple models and configurations. Always verify your specific model for proper fitment.)
How It’s Used
This lock nut is used to secure components in high-vibration areas such as fan housings. Its locking design ensures that the nut remains tight during operation, reducing the risk of loosening and maintaining structural stability.
Maintenance Tips
• Inspect for wear or loss of locking ability
• Replace if threads are damaged or loosen easily
• Do not reuse if locking feature is worn out
• Tighten to proper torque specifications
• Use genuine STIHL OEM hardware for best performance
