Product Details | DISK DRIVE UNIT

7025-01-494-1728 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.

Part Alternates: BARRACUDA ATA IV, BARRACUDAATAIV, ST320011A, 7025-01-494-1728, 01-494-1728, 7025014941728, 014941728

Automatic Data Processing Equipment (Including Firmware), Software, Supplies and Support Equipment | ADP Input/Output and Storage Devices

Supply Group (FSG) NSN Assign. NIIN
70 02 FEB 2002 01-494-1728

Cross Reference | NSN 7025-01-494-1728

Part Number Cage Code Manufacturer
BARRACUDA ATA IV 65867 SEAGATE TECHNOLOGY
ST320011A 65867 SEAGATE TECHNOLOGY

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Technical Data | NSN 7025-01-494-1728

Characteristic Specifications
UNIT DESIGN INTERNAL
DESIGN TYPE DISK CARTRIDGE
DRIVE SIZE 3.50
DRIVE QUANTITY 1
DATA STORAGE CAPACITY 20.00 GIGABYTES
ACCESS TIME IN MILLISECONDS 9.5
HEAD TYPE AND QUANTITY 256 READ/WRITE
TRACKS PER INCH 58000.0
POWER SOURCE SELF-CONTAINED
VOLTAGE IN VOLTS AND CURRENT TYPE 12.0 DC
OVERALL LENGTH 5.750 INCHES NOMINAL
OVERALL HEIGHT 1.028 INCHES NOMINAL
OVERALL WIDTH 4.020 INCHES NOMINAL
SPECIAL FEATURES 12.6 WATT; 2MB BUFFER; 40 PIN I/O CABLE CONNECTION; VOICE COIL ACTUATED

Restrictions/Controls & Freight Information | NSN 7025-01-494-1728

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
No Freight Information