Product Details | DISK DRIVE UNIT

7025-01-430-4999 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.

Part Alternates: MODEL NO 8139, MODELNO8139, 8139, 7025-01-430-4999, 01-430-4999, 7025014304999, 014304999

Automatic Data Processing Equipment (Including Firmware), Software, Supplies and Support Equipment | ADP Input/Output and Storage Devices

Supply Group (FSG) NSN Assign. NIIN
70 30 APR 1996 01-430-4999

Demand History | NSN 7025-01-430-4999

Part Number Request Date QTY Origin
8139 2008-05-136 1 US

Cross Reference | NSN 7025-01-430-4999

Part Number Cage Code Manufacturer
8139 20886 COMPRO COMPUTER SERVICES, INC. DBA COMPRO
MODEL NO 8139 U4228 ENCORE REAL TIME COMPUTING LTD

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Technical Data | NSN 7025-01-430-4999

Characteristic Specifications
UNIT DESIGN RACK MOUNTED
DESIGN TYPE DISK CARTRIDGE
DRIVE SIZE 9.00
DRIVE QUANTITY 1
DATA STORAGE CAPACITY 82.00 MEGABYTES
TRANSFER RATE IN MEGABYTES PER SECOND 1.2
TRACKS PER INCH 550.0
POWER SOURCE EXTERNAL
VOLTAGE IN VOLTS AND CURRENT TYPE 120.0 AC
OVERALL HEIGHT 10.200 INCHES NOMINAL
OVERALL WIDTH 8.500 INCHES NOMINAL
UNPACKAGED UNIT WEIGHT 60.000 POUNDS
OPERATING TEMP RANGE 50.0 TO 114.0 DEG FAHRENHEIT

Restrictions/Controls & Freight Information | NSN 7025-01-430-4999

Category Code Description
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:QStrategic List Item (SLI). Demilitarization not required. SLI are non-MLI(Munitions List Items) controlled by the U.S. Dept. of Commerce through the Export Administration Regulations (EAR) and indicated on the Commerce Control List (CCL). Each CCL entry is preceded by a four-digit Export Control Commerce Control List Item (CCLI) – MUT to the point of scrap required outside the United States. Inside the United States, MUT is required when the DEMIL integrity code (IC) is “3” and MUT is not required when the DEMIL IC is “6.”
Electro-static Discharge Susceptible:ANo known Electrostatic Discharge (ESD) or Electromagnetic Interference (EMI) sensitivity
Precious Metals Indicator Code:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:5ADP Accessorial Equipment. Represents accessorial equipment which is considered to be a component, device, or unit that is related directly to and essential in the operation of ADPE. Included in this class are complete units and components of related general purpose accessorial equipment which are used as part of a system such as weapon system, control system, missile system, communication system, or navigational system. It also encompasses various units or devices and associated control units that are used in combination or conjunction with the ADPE configuration but are not part of the configuration itself.
Category Code Description
No Freight Information