Almost 500 people work at the brand's last remaining site in Scotland.
Manufacturing could be brought to a standstill after workers backed industrial action against 'company pay freeze plan'.
Unite Scotland has accused the Scottish Government of 'withholding' £19m in unawarded grants.
The rolling industrial action at Faslane and Coulport will begin every day from 10am on March 12.
Unite said it had been unable to convince Archer to use the UK Government’s Job Retention Scheme.
