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National Stock Number:
7025-01-210-0999
Federal Supply Class:
7025
National Item Identification Number:
012100999
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:
| 0N355706 | 98230 | NATIONAL SECURITY AGENCY | | 5881 | 26285 | HADRON INC COMMUNICATIONS PRODUCTS DIV | | MU-836/FSQ | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM |
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Techincal Specification:
| PROPRIETARY CHARACTERISTICS | PACS | | SPECIAL FEATURES | 7.000 IN.HT,19.000 IN.W,24.000 IN.DP; 105.0-127.0 V AC,47.0-63.0 HZ;RACK-MOUNTED; WINCHESTER DISK WITH 31.2 MEGABYTE STORAGE CAPACITY; FLOPPYDISK WITH 1.0 MEGABYTE CAPACITY; COMPATIBLE WITH DIGITAL EQUIPMENT CORPRSX-11M VERSION 4.0 OPERATING SYSTEM; INTERFACES WITH LSI-11/23,22-BIT ADDRESSING; TRANSFERS 32,768 BYTES IN 130 MILLISECONDS FROM DISK TO LSI- 11/23 MEMORY;CUBIC MEASURE IS 3192 CUBIC INCHES;FUNCTIONAL DESCRIPTION IS TO LOAD, STORE, AND RETRIEVE DATA | | TEST DATA DOCUMENT | 26285-5811 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) | | UNPACKAGED UNIT WEIGHT | 75.000 POUNDS |
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