NSN 7025-01-477-9850

Part Details | DISK DRIVE UNIT

7025-01-477-9850 An electromechanical or solid state item which accepts and systematically 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 suceptible 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.

Alternate Parts: WD91FN00AS, WD91FN-00AS, 7025-01-477-9850, 01-477-9850, 7025014779850, 014779850

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
70AUG 25, 200001-477-985037008 ( DISK DRIVE UNIT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 7025-01-477-9850
Part Number Cage Code Manufacturer
WD91FN-00AS52840WESTERN DIGITAL CORP
Technical Data | NSN 7025-01-477-9850
Characteristic Specifications
UNIT DESIGN INTERNAL
DESIGN TYPE HARD DISK
DRIVE SIZE 3.50
DRIVE QUANTITY1
DATA STORAGE CAPACITY4.60 GIGABYTES
DRIVE HEIGHT FULL
ACCESS TIME IN MILLISECONDS6.6
TRANSFER RATE IN MEGABYTES PER SECOND45.0
INTERFACE TYPE SCSI
HEAD TYPE AND QUANTITY4 READ/WRITE
TRACKS PER INCH13500.0
POWER SOURCE EXTERNAL
VOLTAGE IN VOLTS AND CURRENT TYPE12.0 DC
OVERALL LENGTH5.730 INCHES MINIMUM AND 5.770 INCHES MAXIMUM
OVERALL HEIGHT0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM
OVERALL WIDTH3.990 INCHES MINIMUM AND 4.010 INCHES MAXIMUM
UNPACKAGED UNIT WEIGHT1.520 POUNDS
OPERATING TEMP RANGE+5.0 TO +50.0 DEG CELSIUS