NSN 7025-01-463-9374

Part Details | DISK DRIVE UNIT

7025-01-463-9374 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: 8428362, 842836-2, 8428362, 842836-2, 7025-01-463-9374, 01-463-9374, 7025014639374, 014639374

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
70APR 09, 199901-463-937437008 ( DISK DRIVE UNIT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 7025-01-463-9374
Part Number Cage Code Manufacturer
842836-213973LITTON SYSTEMS INC. DIV NAVIGATIONSYSTEMS DIVISION
842836-206481NORTHROP GRUMMAN SYSTEMS CORPORATIONDIV NAVIGATION AND MARITIME SYSTEMS
Technical Data | NSN 7025-01-463-9374
Characteristic Specifications
UNIT DESIGN PORTABLE
DESIGN TYPE HARD CARD
DRIVE QUANTITY1
DATA STORAGE CAPACITY260.70 MEGABYTES
ACCESS TIME IN MILLISECONDS2.0
TRANSFER RATE IN MEGABYTES PER SECOND4.0
INTERFACE TYPE IDE
HEAD TYPE AND QUANTITY4 READ/WRITE
TRACKS PER INCH4300.0
POWER SOURCE EXTERNAL
VOLTAGE IN VOLTS AND CURRENT TYPE5.0 DC
OVERALL LENGTH3.370 INCHES NOMINAL
OVERALL HEIGHT0.413 INCHES NOMINAL
OVERALL WIDTH2.130 INCHES NOMINAL
UNPACKAGED UNIT WEIGHT0.197 POUNDS
OPERATING TEMP RANGE+5.0 TO +55.0 DEG CELSIUS
SPECIAL FEATURESPCMCIA TYPE III (IDE/ATA) INTERFACE; TWO DISKS 1.800 INCH DIA; RECORDING DENSITY 112,500 BPI MAXIMUM; BUFFER SIZE 32.0 KB; AVERAGE SEEK TIME 12.0 MILLISECONDS; NON-OPERATING TEMPERATURE MINUS 40.0 DEG TO PLUS 70.0 DEG C; RELATIVE HUMIDITY 4.0 PERCENT TO 90.0 PERCENT NON-CONDENSING; MECHANICAL SHOCK WHEN IDLE MINIMUM 200.0 G'S; ALTITUDE WHILE OPERATING IS MINUS 1,000.000 TO PLUS 10,000.000 FT, NON-OPERATING IS PLUS 40,000.000 FT