Hello
These are static test bed values for the engine and not actual thrust values for an airworthy aircraft. Additional source material will be required if the report is to be forwarded with the actual thrust values of the engine within the aircraft.
The aircraft is currently modelled with an Afterburner Thrust of 6800kg.
In addition, the source you posted is dated last 1990 and restricted. As such, proof of declassification will be required before any handling or submitting of any materials on or related to that document will be required as per our rules: