This 1/4 UNC Left Hand Thread Nut (part number 1699815M1) is designed to secure mechanical components in Massey Ferguson tractors where reverse threading is required for safe and consistent tightening.
Manufactured to exact specifications, this nut features a 1/4-inch Unified National Coarse thread in a left-hand orientation. It is built from durable materials to withstand vibration, torque, and mechanical stress in agricultural environments.
It is compatible with Massey Ferguson 200 Series tractors including 230, 240*, 250, 261, 265*, 275*, 285, 290*, and 298, and 300 Series models including 375E* and 390E*. Fitment is dependent on serial number, so verification is recommended.
Ideal for maintenance professionals and tractor owners requiring a reliable OEM-standard component for secure fastening in reverse-thread applications.
Key Features
✔️ 1/4-inch UNC Left Hand thread – reverse-threaded fit
✔️ OEM-compatible replacement for 1699815M1
✔️ Durable construction for long-lasting performance
✔️ Designed for Massey Ferguson 200 & 300 Series tractors
✔️ Part-dependent on serial number – contact for fitment check
🌟 Perfect for: MF tractor maintenance and mechanical repairs