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National Stock Number:
7025-01-262-2172
Federal Supply Class:
7025
National Item Identification Number:
012622172
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:
| 91700727 | F6481 | THALES SA | | 91715182 | F6481 | THALES SA | | PL3359A | U5602 | SCHLUMBERGER INDUSTRIES | | PL3359A01/N0102 | U5602 | SCHLUMBERGER INDUSTRIES | | PL3559 | F9165 | ENERDIS | | Q2020 | 63852 | QUANTUM CORP |
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Techincal Specification:
| HEAD TYPE AND QUANTITY | 4 READ/WRITE | | SPECIAL FEATURES | 8.550 IN. W; 4.500 IN. H; 14.250 IN. D; 21.330 MBYTES OF DATA PER DISK DRIVE UNFORMATTED; ROTATIONAL SPEED 3000 RPM; 512 CYLINDERS; 2048 TRACKS; 2 DISKS; 1 INDEX; AMBIENT TEMPERATURE 10 TO 46 DEG. C |
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