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National Stock Number:
7025-01-380-8088
Federal Supply Class:
7025
National Item Identification Number:
013808088
Description:
DISK DRIVE UNIT
Detail:
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.
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Manufacturer Information:
| 03-1326341-8 | 04655 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | | D014-1820 | 04655 | GENERAL DYNAMICS MISSION SYSTEMS, INC. | | D014-1820 | 0SKP4 | HOLLIS CONTROLS INC. |
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Techincal Specification:
| DRIVE QUANTITY | 1 | | DRIVE SIZE | 3.50 | | DRIVE HEIGHT | HALF | | ACCESS TIME IN MILLISECONDS | 94.0 | | CRITICALITY CODE JUSTIFICATION | NHCF | | DATA STORAGE CAPACITY | 1.44 MEGABYTES | | DESIGN TYPE | FLEXIBLE DISK | | OPERATING TEMP RANGE | +32.0 TO 122.0 FAHRENHEIT | | OVERALL HEIGHT | 1.000 INCHES NOMINAL | | OVERALL LENGTH | 5.900 INCHES NOMINAL | | OVERALL WIDTH | 4.000 INCHES NOMINAL | | NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED | | POWER SOURCE | EXTERNAL | | SPECIAL FEATURES | ANSI X3 B8 INTERFACE; BEIGE OR BROWN BEZEL; TRANSFER RATE IS 250 TO 500 KB PER SECOND. ACTION ID: 45580546. | | UNIT DESIGN | INTERNAL | | UNPACKAGED UNIT WEIGHT | 0.940 POUNDS | | VOLTAGE IN VOLTS AND CURRENT TYPE | 5.0 DC |
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