Product Details | DISK DRIVE UNIT

7025-01-470-3525 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: 77654608, 7025-01-470-3525, 01-470-3525, 7025014703525, 014703525

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

Supply Group (FSG) NSN Assign. NIIN
70 15 DEC 1999 01-470-3525

Cross Reference | NSN 7025-01-470-3525

Part Number Cage Code Manufacturer
77654608 0AX86 SPRAGUE MAGNETICS INC.

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Technical Data | NSN 7025-01-470-3525

Characteristic Specifications
UNIT DESIGN RACK MOUNTED
DESIGN TYPE DISK CARTRIDGE AND HARD DISK
DRIVE QUANTITY 1
DATA STORAGE CAPACITY 16.70 MEGABYTES
DRIVE HEIGHT FULL
HEAD TYPE AND QUANTITY 4 READ/WRITE
SECTOR TYPE AND QUANTITY 32 HARD
POWER SOURCE EXTERNAL
VOLTAGE IN VOLTS AND CURRENT TYPE 120.0 AC
OVERALL HEIGHT 20.880 INCHES NOMINAL
OVERALL WIDTH 8.580 INCHES NOMINAL
UNPACKAGED UNIT WEIGHT 40.000 POUNDS
OPERATING TEMP RANGE 10.0 TO 40.0 DEG CELSIUS
FEATURES PROVIDED ELECTROMAGNETIC INTERFERENCE SHIELDING
SPECIAL FEATURES REQUESTED NAME - DISK DRIVE; 8.35MB STORAGE BY REMOVABLE CARTRIDGE;8.35MB STORAGE BY NON-REMOVABLE DISK; LARK MICRO UNIT IS A SMALL, LOW COST, MEDIUM PERFORMANCE, RANDOM ACCESS WITH ROTATING DISK MASS MMORY; 206 CYLINDERS; 20672 BYTES OF UNFORMATTED TRACK CAPACITY; 2 REMOVABLE AND 2 FIXED HEADS; COMPONENTS INCLUDE; RSP PWA, FIXED DISK, BASE PWA, CARTRIDGE RECEIVER, SPINDLE MOTOR, AC DIST. PWA, COOLING FAN, VOICE COIL ACTUATOR, READ/WRITE PREAMP PWA, CARTRIDGE ASSEMBLY, SPINDLE, AIR FILTER, CARTRIDGE DOOR/LATCH AND OPERATOR CONTROL SWITCHES AND INDICATORS
END ITEM IDENTIFICATION INTERMEDIATE AUTOMATIC TEST SYSTEM (IATS), AN/GSM-294 (4920011344487DQ)
MANUFACTURERS CODE 0AX86
DESIGN CONTROL REFERENCE 77654608

Restrictions/Controls & Freight Information | NSN 7025-01-470-3525

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:BESD 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