This is the Propeller Lock Nut Set for the OS Max FS-52S Surpass engine.|
Prevents the propeller from flying off even if the propeller
should slip or loosen.
Durable steel construction.
One metal propeller washer
One metal hex lock nut
One metal hex expansion bolt
A FS-52S engine on which to install it.
Hex nut thread size: M5.5x1.0
Hex nut outer diameter: 12mm (0.48")
Hex nut height: 8.4mm (0.33")
Prop washer outer diameter: 22.9mm (0.9")
Prop washer inner diameter: 9.2mm (0.36")
Prop washer thickness: 2.8mm (0.11")
Hex nut expansion bolt outer diameter: 9.8mm (0.39")
Hex nut expansion bolt thread size: M5.5x1.0
Hex nut expansion bolt thread size (spinner end): M4x0.7
Hex nut expansion bolt overall length: 19.9mm (0.79")