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National Stock Number:
7025-01-349-7592
Federal Supply Class:
7025
National Item Identification Number:
013497592
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:
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Techincal Specification:
| DRIVE HEIGHT | HALF | | DRIVE QUANTITY | 1 | | DRIVE SIZE | 3.50 | | ACCESS TIME IN MILLISECONDS | 8.4 | | DATA STORAGE CAPACITY | 40.00 MEGABYTES | | DESIGN TYPE | HARD DISK | | FEATURES PROVIDED | CONTROLLER BOARD | | HEAD TYPE AND QUANTITY | 2 READ AND 2 WRITE | | INTERFACE TYPE | SCSI | | OPERATING TEMP RANGE | +5.0 TO 55.0 CELSIUS | | OVERALL HEIGHT | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 5.750 INCHES NOMINAL | | OVERALL WIDTH | 4.000 INCHES NOMINAL | | POWER SOURCE | EXTERNAL | | SPECIAL FEATURES | NHA 5895-01-224-8578 | | UNIT DESIGN | INTERNAL | | UNPACKAGED UNIT WEIGHT | 1.100 POUNDS | | VOLTAGE IN VOLTS AND CURRENT TYPE | 5.0 DC OR 12.0 DC | | TRANSFER RATE IN MEGABYTES PER SECOND | 4.0 |
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