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National Stock Number:
7025-01-551-4322
Federal Supply Class:
7025
National Item Identification Number:
015514322
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:
| 6012100-001 | 12436 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. | | DDRS-34560 | 0JPA5 | ATTACK EXTERMINATING CO | | DDRS-34560 | 1JPA5 | IBM STORAGE SYSTEMS | | QM34550VKS | 63852 | QUANTUM CORP |
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Techincal Specification:
| DRIVE QUANTITY | 1 | | DRIVE SIZE | 3.50 | | ACCESS TIME IN MILLISECONDS | 9.5 | | DATA STORAGE CAPACITY | 4.30 GIGABYTES | | DESIGN TYPE | HARD DISK | | HEAD TYPE AND QUANTITY | 8 READ/WRITE | | INTERFACE TYPE | SCSI-1 | | OVERALL HEIGHT | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM | | OVERALL LENGTH | 5.724 INCHES MINIMUM AND 5.776 INCHES MAXIMUM | | OVERALL WIDTH | 3.976 INCHES MINIMUM AND 4.024 INCHES MAXIMUM | | SPECIAL FEATURES | BUFFERING SIZE-512 MB; PWR CONNECTOR-4 PIN CONNECTOR; SCSI CABLE-50 PIN CONNECTOR; MTBF 500,000 HRS MIN; MAX OPERATING PWR CONSUMPTION 11 W | | TRANSFER RATE IN MEGABYTES PER SECOND | 20.0 | | UNIT DESIGN | PANEL MOUNTED | | UNPACKAGED UNIT WEIGHT | 1.500 POUNDS |
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