Upper gearbox mount nut

[Levi_NL_046]

Hey,
Recently my 182 started resonating, so i am checking al the engine mounts.
Taking out the battery i found this.😑

Its missing the nut on the mount and bolt in the topright corner.
Is anyone able to tell me what nut and bolt i need.
Cheers,
Levi

 

[frayz]

Its an M8 with captive washer, the mount uses common hardware.