Part Number
Part Number:
NSN:
NIIN:
Item Name:
DISK DRIVE UNIT
Definition:
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.
CAGE Information
| Code | Company |
|---|---|
| 52840 | WESTERN DIGITAL CORP |
Federal Supply Class
Title
ADP INPUT/OUTPUT AND STORAGE DEV
Inclusions:
Exclusions:
Characteristics (Decoded)
| MRC | Requirements Statement | Clear Text Reply |
|---|---|---|
| APGF | DESIGN TYPE | HARD DISK |
| AWZJ | POWER SOURCE | EXTERNAL |
| CSBH | VOLTAGE IN VOLTS AND CURRENT TYPE | 5.0 DC AND 12.0 DC |
| ABKW | OVERALL HEIGHT | 1.000 INCHES NOMINAL |
| FEAT | SPECIAL FEATURES | 40-PIN EIDE INTERFACE; CYLINDERS, LANDING ZONE, AND WPC 16383; ROTARY VOICE COIL ACTUATOR; SIX DATA SURFACES; 512 BYTES PER SECTOR; EMBEDDED SERVO TYPE; AUTOMATIC HEAD PARK; AVG. READ SEEK 9.5 MS; AVG. WRITE SEEK 11.5 MS; TRACK TO TRACK SEEK 2.0 MS; FULL STROKE SEEK 19 MS; AVG. LATENCY 5.5 MS; ROTATIONAL SPEED 5400 RPM; BUFFER 256K DRAM |
| PKWT | UNPACKAGED UNIT WEIGHT | 1.100 POUNDS |
| CPLR | UNIT DESIGN | INTERNAL |
| ABMK | OVERALL WIDTH | 4.000 INCHES NOMINAL |
| CYKC | SECTOR TYPE AND QUANTITY | 63 HARD |
| CYFN | DRIVE QUANTITY | 1 |
| CYHN | DRIVE SIZE | 3.00 |
| CYFP | DATA STORAGE CAPACITY | 8455.20 MEGABYTES |
| BNDC | HEAD TYPE AND QUANTITY | 16 READ/WRITE |
| ABHP | OVERALL LENGTH | 5.750 INCHES NOMINAL |
| AFGA | OPERATING TEMP RANGE | +5.0/+55.0 DEG CELSIUS |