NSN 7025-01-232-7371

Part Details | DISK DRIVE UNIT

7025-01-232-7371 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: ST225, ST-225, ST225, ST-225, QCST225, QC-ST225, ST225, Z21722, Z-217-22, Z21722, Z-217-22, Z21722, Z-217-22, ST225, ST-225, 7025-01-232-7371, 01-232-7371, 7025012327371, 012327371

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
70MAY 20, 198601-232-737137008 ( DISK DRIVE UNIT )
REFERENCE DRAWINGS & PICTURES
Cross Reference | NSN 7025-01-232-7371
Part Number Cage Code Manufacturer
ST-2251Y977AMERICAN COMPUTER RESOURCES INC
ST-2250M0E2HAMPTON ROADS COMPUTER COMPANY INC.DIV HAMPTON ROADS COMPUTER CO. INC
QC-ST2250H021QUADRANT COMPONENTS INC
ST22565867SEAGATE TECHNOLOGY
Z-217-2266285ZENITH DATA SYSTEMS CORPFEDERAL SYSTEMS GROUP
Z-217-2267177ZENITH ELECTRONICS CORPORATION
Z-217-22D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
ST-225D9182ZF INDUSTRIEANTRIEBE WITTEN GMBH
Technical Data | NSN 7025-01-232-7371
Characteristic Specifications
UNIT DESIGN INTERNAL
DESIGN TYPE HARD DISK
DRIVE SIZE 5.25
DRIVE QUANTITY2
DATA STORAGE CAPACITY21.40 MEGABYTES
DRIVE HEIGHT HALF
ACCESS TIME IN MILLISECONDS65.0
TRANSFER RATE IN MEGABYTES PER SECOND5.0
OVERALL LENGTH8.000 INCHES NOMINAL
OVERALL HEIGHT1.630 INCHES NOMINAL
OVERALL WIDTH5.750 INCHES NOMINAL
SPECIAL FEATURES21.4 MEGABYTES OF FORMATTED CAPACITY; DESIGNED FOR SINGLE USER DESKTOP SYSTEMS OR AS AN UPGRADE FOR A PERSONAL COMPUTER; 65 MILLISECOND AVERAGE ACCESS TIME; STANDARD HALF-HEIGHT; DATA TRANSFER RATE OF 5.0 MEGABITS PER SECOND