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National Stock Number:
7025-01-209-1556
Federal Supply Class:
7025
National Item Identification Number:
012091556
Description:
DISK DRIVE UNIT
Detail:
An electromechanical item which accepts and systematically retains digital input data in such a manner as to facilitate the rapid recovery of stored information. The item may or may not consist of disk(s) some of which are removable, hard, removable disk packs, fixed disks, or removable flexible, each surface coated with a material susceptible to spot magnetization, integral writing, a drive motor and its mechanical linkage, and data translating heads for impressing on or removing from the disk surface data in digital form. The item is a component of an electronic computer. See also, MAGNETIC DRUM, DATA STORAGE; CORE MEMORY UNIT.
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Manufacturer Information:
| 4964-001 | 15899 | INTERNATIONAL BUSINESS MACHINES CORP | | 6666171-1 | 03640 | LOCKHEED MARTIN CORPORATION |
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Techincal Specification:
| DESIGN TYPE | DISK CARTRIDGE | | III UNIT DESIGN | RACK MOUNTED | | PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | DIRECT-ACCESS STORAGE DEVICE THAT SERVES AS A DATA EXCHANGE MEDIUM, DISKETTE COMBINES THE SMALL BATCH DATA STORAGE PROPERTIES OF PUNCHED CARDS WITH DIRECT ACCESS TO A SPECIFIED GROUP OF RECORDS FILLED SEQUENTIALLY OR RANDOMLY |
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