Is a Guilt finding at NJP an actual conviction?
A guilty finding at a Non-Judicial Punishment (NJP) is never a ‘conviction.’ Non-judicial punishment is not a criminal proceeding. The purpose of non-judicial punishment is to correct minor shortcomings among service members.
Is a “Guilty” finding at NJP an actual “Conviction?”

Not a Criminal Proceeding. A guilty finding at a non-judicial punishment should never be considered a ‘conviction’ because it was never meant to be a criminal proceeding. The purpose of non-judicial punishment is to correct minor deficiencies with service members in an expeditious manner and not to punish the military member in any lasting way. […]