QML (Qualified Manufacturers List)
Beginner
A U.S. government list of factories and parts approved for military and space use.
Novice
The U.S. system, under the standard MIL-PRF-38535, in which manufacturers get their production and testing approved for military and space parts. Class Q is the military level; class V is the space level.
Expert
Administered by the Defense Logistics Agency (DLA Land and Maritime); for space microcircuits, DLA, NASA/JPL and the Aerospace Corporation form the qualifying activity. Qualification covers electrical, environmental, life, package and radiation test groups.
Explained in Space (Industries).