ASME Y14.24 : Types and Applications of Engineering Drawings
A number assigned to one or more interchangeable purchased items by a vendor item control drawing for administrative purposes. An administrative control number may also be assigned to an item defined by an envelope drawing. The number also serves as the PIN for specifying such items in a parts list. The administrative control number is assigned in addition to the item identification assigned by the original design activity.
See Also:
Vendor Item Control Drawing, Envelope Drawing, Part or Identifying Number, Parts List, Design Activity