NSN 7025-01-551-4322

Part Details | DISK DRIVE UNIT

7025-01-551-4322 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: DDRS34560, DDRS-34560, 6012100001, 6012100-001, DDRS34560, DDRS-34560, QM34550VKS, 7025-01-551-4322, 01-551-4322, 7025015514322, 015514322

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
70MAY 16, 200701-551-432237008 ( DISK DRIVE UNIT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 7025-01-551-4322
Part Number Cage Code Manufacturer
DDRS-345600JPA5ATTACK EXTERMINATING CO
6012100-00112436BAE SYSTEMS INFORMATION ANDELECTRONIC SYSTEMS INTEGRATION INC.
DDRS-345601JPA5IBM STORAGE SYSTEMS
QM34550VKS63852QUANTUM CORP
Technical Data | NSN 7025-01-551-4322
Characteristic Specifications
UNIT DESIGN PANEL MOUNTED
DESIGN TYPE HARD DISK
DRIVE SIZE 3.50
DRIVE QUANTITY1
DATA STORAGE CAPACITY4.30 GIGABYTES
ACCESS TIME IN MILLISECONDS9.5
TRANSFER RATE IN MEGABYTES PER SECOND20.0
INTERFACE TYPE SCSI-1
HEAD TYPE AND QUANTITY8 READ/WRITE
OVERALL LENGTH5.724 INCHES MINIMUM AND 5.776 INCHES MAXIMUM
OVERALL HEIGHT0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM
OVERALL WIDTH3.976 INCHES MINIMUM AND 4.024 INCHES MAXIMUM
UNPACKAGED UNIT WEIGHT1.500 POUNDS
SPECIAL FEATURESBUFFERING SIZE-512 MB; PWR CONNECTOR-4 PIN CONNECTOR; SCSI CABLE-50 PIN CONNECTOR; MTBF 500,000 HRS MIN; MAX OPERATING PWR CONSUMPTION 11 W
END ITEM IDENTIFICATION4920-01-548-7640WF