PartsTable TECHNICAL DATA SHEET
NSN 7025-01-657-6654Government record, cited

Disk Drive Unit7025-01-657-6654

NSN 7025-01-657-6654 · NIIN 016576654 · Part number D21421Y54A1
Ciprico Inc. · FSC 7025 — Information Technology Input/output and Storage Devices · FSG 70 — General Purpose ADP Equipment · CAGE 66937
Government record, cited
NSN 7025-01-657-6654 — this item is cataloged by the U.S. Government under National Stock Number 7025-01-657-6654. Manufacturer of record part number: D21421Y54A1.
Also searched as  7025-01-657-6654 · 7025016576654 · NIIN 016576654 · 01-657-6654 · FSC 7025 Information Technology Input/output and Storage Devices · CAGE 66937 · D21421Y54A1
Nearby stock numbers  ·
Features
  • Disk Drive Unit — FSC 7025
  • Unpackaged Unit Weight: 92.0 POUNDS LBS
  • Unit Design: RACK MOUNTED
  • 1 manufacturer part number on file
  • Manufacturer of record: Ciprico Inc.
Identification
  • NSN: 7025-01-657-6654
  • NIIN: 016576654
  • FSC: 7025 — Information Technology Input/output and Storage Devices
  • FSG: 70 — General Purpose ADP Equipment
  • Primary part number: D21421Y54A1
  • Manufacturer: Ciprico Inc.
General Description

The Disk Drive Unit, cataloged under National Stock Number 7025-01-657-6654, is classified within Federal Supply Class 7025 (Information Technology Input/output and Storage Devices) of the General Purpose ADP Equipment group. The manufacturer of record is Ciprico Inc.. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN7025-01-657-6654
Primary Part NumberD21421Y54A1
Item NameDisk Drive Unit
FSC / FSG7025 / 70 — Information Technology Input/output and Storage Devices
ManufacturerCiprico Inc.
StatusACTIVE
Unpackaged Unit Weight92.0 POUNDS LBS
Unit DesignRACK MOUNTED
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeX
Cross-Reference Index
Part NumberManufacturer
D21421Y54A1 PRIMARY Ciprico Inc. (USA)
No interchangeability data on file.
Other items in FSC 7025 — Information Technology Input/output and Storage Devices
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
7025-00-001-2681
TAPE STRIP,KEYBOARD
7025-00-001-5588
7025-00-001-5588 · Item name not on file
7025-00-001-6998
7025-00-001-6998 · Item name not on file
7025-00-001-6999
SLUG,TYPE
7025-00-001-7000
SLUG,TYPE
7025-00-001-7025
7025-00-001-7025 · Item name not on file
7025-00-001-7026
7025-00-001-7026 · Item name not on file
7025-00-001-7027
7025-00-001-7027 · Item name not on file

Frequently Asked Questions

What is NSN 7025-01-657-6654?

NSN 7025-01-657-6654 is a Disk Drive Unit, manufactured by Ciprico Inc., classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.

What part numbers are listed for NSN 7025-01-657-6654?

NSN 7025-01-657-6654 has 1 manufacturer part number on file: D21421Y54A1 (Ciprico Inc.).

What are the specifications of D21421Y54A1?

Key specifications for D21421Y54A1: Overall Height: 6.87 INCHES NOMINAL IN; Overall Length: 23.5 INCHES NOMINAL IN; Overall Width: 19.0 INCHES NOMINAL IN; Unpackaged Unit Weight: 92.0 POUNDS LBS. 2 specifications are documented in the U.S. Government catalog.

Is NSN 7025-01-657-6654 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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