3110-01-552-5987 BEARING,BALL,ANNULAR Index 8415-01-552-5989 JACKET,CHEMICAL AND OIL PROTECTI

National Stock Number:
7025-01-552-5988

Federal Supply Class:
7025

National Item Identification Number:
015525988

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.


Manufacturer Information:
HDT722525DLAT8000ANULEMA TRADING EOOD
HDT722525DLAT803VTZ4HITACHI GLOBAL STORAGE TECHNOLOGIES


Techincal Specification:
DRIVE QUANTITY2
DRIVE SIZE5.25
DATA STORAGE CAPACITY250.00 MEGABYTES
DESIGN TYPEHARD DISK
OVERALL HEIGHT25.4 MILLIMETERS NOMINAL
OVERALL LENGTH146.0 MILLIMETERS NOMINAL
OVERALL WIDTH101.6 MILLIMETERS NOMINAL
OPERATING TEMP RANGE-40.0 TO 65.0 CELSIUS
SPECIAL FEATURES7200 RPM;8 MB BUFFER
POWER SOURCEEXTERNAL
TRANSFER RATE IN MEGABYTES PER SECOND133.0
UNIT DESIGNINTERNAL
UNPACKAGED UNIT WEIGHT64.0 KILOGRAMS


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