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Disk Drive Unit

NSN: 7025-01-575-2748 | Model: 20522527-101
ITAR Registered seal

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 dis (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.

NSN Properties and Flags
NATO Stock Number
Yes - ITAR Controlled
Overall Length
21.000 inches
Overall Height
3.450 inches
Overall Width
17.600 inches
Operating Tempurature Range
+40.0/+65.0 degrees celsius
End Application
Mk141mod0, cg52t58, cabinet, processor
Design Type
Disk pack
Power Source
Unit Design
Rack mounted
Voltage In Volts And Current Type
-72.0 dc or 240.0 ac
Unpackaged Unit Weight
75.000 pounds
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE8EN20T1918 2020-03-26 PEPCE 56 EA
SPE8EN20T1615 2020-03-09 PEPCE 59 EA
SPE8EN20T1455 2020-02-28 DJM00 26 EA
SPE8EN20T0902 2020-01-13 PEPCE 26 EA
SPE8EN20T0756 2019-12-24 PEPCE 26 EA
SPE8EN19T3641 2019-09-19 PEPCE 25 EA
SPE8EN19U0022 2019-04-05 PEPCE 20 EA
SPE8EN19T1703 2019-03-25 PEPCE 20 EA
SPE4A519U0061 2019-02-04 GPP53 42 EA
SPE4A519T6143 2019-01-03 GPP53 42 EA

Pricing and Availability

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NSN 7025-01-575-2748 Datasheet

Supply Class (FSC):
Adp Input/output And Storage Devices
Cross Reference:
  • 20522527-101
  • PFRUAF08-01
  • PFRUAK22-01
  • 20522527-112
  • PFRUAF22-01
Cage Codes:
  • Lockheed Martin Corporation (CAGE 02769)
  • Dot Hill Systems Corp. (CAGE 0KU72)
Schedule B & Trade:
  • Schedule B: 8471709000 (NAICS 334112)

    Other storage units, nesoi

  • SITC: 75270

    Storage units, whether or not presented with the rest of the system for data processing

  • End Use: 21301

    Computer accessories


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


A - Item does not contain precious metal.


- Adp input/output and storage devices used to control and transfer information to and from a cpu. The input device is used for transferring data and instructions into a cpu. The output device is used to transfer results of processing by the cpu onto printed forms, punched cards, and/or magnetic media. Input/output devices combine the above functions in the same device. This class also includes data transmission terminals, batch terminals, and display terminals which are specially designed or modified to be used in conjunction with digital, analog, or hybrid cpus. It includes modems when they are integral to the terminal. It also includes storage devices in which data can be inserted, retained, and retrieved for later use.


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    116030 - Machines etc data processing

  • WCC:

    738 - Computing equipment, computer components, and circuit cards

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    H - Instruments/equipment/supplies for radio, communications, electrical, laboratory, etc. (includes signal corps)

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $4,815.19 to $8,025.32..
Does NSN 7025-01-575-2748 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Navy, and Australia
What is the NIIN of NSN 7025-01-575-2748?
015752748 or 01-575-2748
Does NSN 7025-01-575-2748 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 7025-01-575-2748?
Solicitation SPE8EN20T1918 for qty 56 on 03/16/2020
When was this national stock number assigned to the federal catalog?
Jun 25, 2009