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National Stock Number:
7025-01-470-1160
Federal Supply Class:
7025
National Item Identification Number:
014701160
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:
| RSR18G7LKB1W | 00RC6 | REMOVABLE MEDIA SOLUTIONS INC DBA RMSI | | ST318275LW | 0T664 | BELL MICROPRODUCTS INC. DBA BELL MICRO | | ST318275LW | 65867 | SEAGATE TECHNOLOGY | | ST318438LW | 65867 | SEAGATE TECHNOLOGY |
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Techincal Specification:
| ACCESS TIME IN MILLISECONDS | 6.9 | | DATA STORAGE CAPACITY | 18.20 GIGABYTES | | DESIGN TYPE | HARD DISK | | DRIVE HEIGHT | HALF | | DRIVE QUANTITY | 1 | | DRIVE SIZE | 3.50 | | HEAD TYPE AND QUANTITY | 10 READ/WRITE | | INTERFACE TYPE | SCSI | | OPERATING TEMP RANGE | +5.0 TO 50.0 CELSIUS | | OVERALL HEIGHT | 25.4 MILLIMETERS NOMINAL | | OVERALL LENGTH | 146.1 MILLIMETERS NOMINAL | | OVERALL WIDTH | 101.6 MILLIMETERS NOMINAL | | POWER SOURCE | EXTERNAL | | SECTOR TYPE AND QUANTITY | 58685 HARD | | SPECIAL FEATURES | SEAGATE BARRACUDA 18LP, 68-PIN, ULTRA2 SCSI, 18.2GB FORMATTED, LOW PROFILE, 3.5 INCH, INTERNAL HARD DISK DRIVE. SPINDLE SPEED: 7,200RPM. NUMBER OF DISK: 5. NUMBER OF HEADS: 10. TOTAL CYLINDERS: 11,737. MTBF: 1 MILLION HOURS | | TRANSFER RATE IN MEGABYTES PER SECOND | 19.5 | | TRACKS PER INCH | 12580.0 | | UNIT DESIGN | INTERNAL | | UNPACKAGED UNIT WEIGHT | 0.68 KILOGRAMS | | VOLTAGE IN VOLTS AND CURRENT TYPE | 12.0 DC |
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