Class

Parameters

VITAL (V)

• Very high criticality when unavailable will render the simulator AOG.

• High customer lead time. (>45 days)

• Moderately high customer lead time. (>15 days and <45 days)

• Intermittent, Sporadic and lumpy demands were variation in either demand or quantity is taken into consideration.

ESSENTIAL (E)

• High criticality when unavailable causing downtime on the simulator.

• Moderately high customer lead time (>15 days and <45 days)

• Low customer lead time (<15 days)

• Intermittent and Sporadic demands were variation in either demand or quantity is taken into consideration

DESIRABLE (D)

• Moderate to low criticality causing minor interruptions when unavailable.

• Low customer lead time < 15 days

• Intermittent to smooth demand where no variation in time or quantity is considered.