7025-01-529-0677 DISK DRIVE UNIT Index 4820-01-529-0679 VALVE,GATE

National Stock Number:
7025-01-529-0678

Federal Supply Class:
7025

National Item Identification Number:
015290678

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:
MHT2020AT1HHT1FUJITSU TAKAMISAWA AMERICA INC
MHT2020ATJA163FUJITSU LTD
MHT2020ATS0167FUJITSU LTD
MHT2020ATZ6L77COMPUTER SYSTEMS AUSTRALIA PTY LTD


Techincal Specification:
DRIVE QUANTITY1
DRIVE SIZE2.50
ACCESS TIME IN MILLISECONDS12.0
DATA STORAGE CAPACITY20.00 GIGABYTES
DESIGN TYPEHARD DISK
INTERFACE TYPEEIDE
OVERALL HEIGHT9.5 MILLIMETERS NOMINAL
OVERALL LENGTH100.0 MILLIMETERS NOMINAL
OVERALL WIDTH70.0 MILLIMETERS NOMINAL
UNIT DESIGNINTERNAL
UNPACKAGED UNIT WEIGHT0.1 KILOGRAMS
VOLTAGE IN VOLTS AND CURRENT TYPE5.0 DC
TRANSFER RATE IN MEGABYTES PER SECOND100.0


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