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National Stock Number:
7025-01-246-1622
Federal Supply Class:
7025
National Item Identification Number:
012461622
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:
| 09131-67600 | 28480 | HEWLETT-PACKARD COMPANY | | 6003438G001 | 9N159 | LOCKHEED COMMERCIAL ELECTRONICS CO | | 9409 | 14251 | MAGNETIC PERIPHERALS INC SUB OF CONTROL DATA CORP | | 9131G | 28480 | HEWLETT-PACKARD COMPANY |
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Techincal Specification:
| ACCESS TIME IN MILLISECONDS | 5.0 | | DATA STORAGE CAPACITY | 500.00 KILOBYTES | | DESIGN TYPE | FLEXIBLE DISK | | DRIVE SIZE | 5.25 | | DRIVE HEIGHT | FULL | | DRIVE QUANTITY | 1 | | FEATURES PROVIDED | CONTROLLER BOARD | | HEAD TYPE AND QUANTITY | 1 READ AND 1 WRITE | | INTERFACE TYPE | MFM | | POWER SOURCE | EXTERNAL | | OVERALL HEIGHT | 3.380 INCHES NOMINAL | | OVERALL LENGTH | 8.290 INCHES NOMINAL | | OVERALL WIDTH | 5.880 INCHES NOMINAL | | SPECIAL FEATURES | DISK DENSITY RATING: DS/DD | | TRACKS PER INCH | 48.0 | | UNIT DESIGN | INTERNAL | | VOLTAGE IN VOLTS AND CURRENT TYPE | 12.0 DC |
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