NSN 7025-01-521-1068 RHD20000, 01-521-1068, 015211068
Product Details | DISK DRIVE UNIT
7025-01-521-1068 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: RHD20000, 7025-01-521-1068, 01-521-1068, 7025015211068, 015211068
Automatic Data Processing Equipment (Including Firmware), Software, Supplies and Support Equipment | ADP Input/Output and Storage Devices
| Supply Group (FSG) | NSN Assign. | NIIN | Item Name Code (INC) |
|---|---|---|---|
| 70 | 01-521-1068 | 37008 ( DISK DRIVE UNIT ) |
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Technical Data | NSN 7025-01-521-1068
| Characteristic | Specifications |
|---|---|
| UNIT DESIGN | INTERNAL |
| DESIGN TYPE | HARD DISK |
| DATA STORAGE CAPACITY | 20.00 GIGABYTES |
| TRANSFER RATE IN MEGABYTES PER SECOND | 5.0 |
| SECTOR TYPE AND QUANTITY | 63 HARD |
| POWER SOURCE | EXTERNAL |
| OVERALL LENGTH | 5.000 INCHES NOMINAL |
| OVERALL HEIGHT | 0.810 INCHES NOMINAL |
| OVERALL WIDTH | 3.200 INCHES NOMINAL |
| UNPACKAGED UNIT WEIGHT | 0.4375 POUNDS |
| OPERATING TEMP RANGE | 5.0 TO 55.0 DEG CELSIUS |
| SPECIAL FEATURES | SECTOR SIZE 512 BYTES; 3 DATA HEADS; LOGICAL CONFIGURATION 15 HEADS; 49664 CYLINDERS; 63 SECTORS/TRACK; PERFORMANCE 2048 KB BUFFER; 4200 RPM; AVERAGE LATENCY 7.1 MSEC; AVERAGE SEEK TIME 12.0 MSEC; TRACK TO TRACK SEEK TIME 2.5 MSEC; MAX SEEK TIME 23.0 MSEC; MEAN TIME BETWEEN FAILURES 300,000 POH; SPIN UP 4.7 PEAK W; READING/WRITING 2.2 W; SEEKING 2.3 W; IDLE 0.95 W; STANDBY0.25 W; NON OPERATING AMBIENT TEMP M40.0-P65.0 DEG C; ALTITUDE OPERATING M300-3K METERS; NON OPERATING 12K FEET; SHOCK OPERATING 180.0 GS, NON OPERATING 800.0 GS; REALATIVE HUMIDITY 8-90 PCT NON CONDENSING |
Restrictions/Controls & Freight Information | NSN 7025-01-521-1068
| Category | Code | Description |
|---|---|---|
| Hazardous Material Indicator Code | N | There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials |
| Electro-static Discharge Susceptible: | A | No known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity |
| Category | Code | Description |
|---|---|---|
| No Freight Information | ||