Definition (1):
According to militaryfactory.com dictionary, “Critical item list is a prioritized list identifying supply items and weapon systems that assist Service and Defense Logistics Agency selection of supply items and systems for production surge planning, or in operational situations, used by the combatant commander and/or subordinate joint force commander to cross-level critical supply items between Service components. “ It is also known as CIL.
Definition (2):
“The Critical Items List (CIL) analysis provides a summary of selected hardware related items whose related failure modes can result in serious injury, loss of life (flight or ground personnel), loss of launch vehicle; or the loss of one or more mission objectives (when no redundancy exists) “as defined by the GSFC (Goddard Space Flight Center in Greenbelt, Maryland.) project office.
Definition (3):
The critical item list refers to a compacted or consolidated or united list of an organization’s or unit’s information.
The purpose of this list is to concentrate the attention of management on items required to be solved during the planning or design stage as a corrective measure loop to influence the costs of the lifetime. This list begins with the first review of the design or plan when issues are discussed in the review for reliability. The critical item list is presented to the top level of the management so that issues can be resolved or accepted before paper plans get concrete and steel.