The National Archives Catalog

Reel/Tape/Disc Number

Mandatory Repeatable Data Type Authority Level Available A/V Only Public Element
No No Numeric (3) None Item Yes Yes


Definition: The number assigned to an individual reel, tape, or disc.


Purpose: Indicates the sequence of the reel, tape, or disc in relation to other reels, tapes, or discs in the physical occurrence. Can also indicate that two media occurrences (such as a soundtrack and an image roll) together make one complete reel.


Relationship: This element is dependent on Media Type. Each media occurrence of the archival materials must have a media type specified to create Reel/Tape/Disc Number.


Guidance: Enter the reel, tape, or disc number.











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