1) Strip the cable as shown ensuring the Dielectric is flush with the cable Jacket leaving 5.90mm exposed centre conductor.
2) Solder the rear of the Backnut to the cable jacket ensuring the front face of the back nut is flush with the cable jacket.
Trim off any protruding dielectric back to the front face of the Backnut. Solder the contact onto centre conductor.
3) Insert the cable into the body and tighten backnut.