The Disk Drive Unit, cataloged under National Stock Number 7025-01-499-6464, 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 Western Digital Corp. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7025-01-499-6464 |
| Primary Part Number | WD400BB |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Western Digital Corp |
| Status | ACTIVE |
| Design Type | HARD DISK |
| Drive Quantity | 1 |
| Drive Size | 3.50 |
| Data Storage Capacity | 120.00 GIGABYTES |
| Unit Design | DESK TOP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Weight | 0.9300 lbs |
| Cube | 0.0139 cu ft |
| Part Number | Manufacturer |
|---|---|
| WD400BB PRIMARY | Western Digital Corp (USA) |
| WD400 | Cs Group - France (FRA) |
| 202904-001 | Cs Group - France (FRA) |
NSN 7025-01-499-6464 is a Disk Drive Unit, manufactured by Western Digital Corp, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-499-6464 has 3 manufacturer part numbers on file: WD400BB (Western Digital Corp), WD400 (Cs Group - France), 202904-001 (Cs Group - France).
2 possible matches (shared part number, not a government interchangeability claim): 7025-01-543-8547, 7025-01-571-1990. Verify interchangeability with system specifications before substitution.
Key specifications for WD400BB: Design Type: HARD DISK; Drive Quantity: 1; Drive Size: 3.50; Data Storage Capacity: 120.00 GIGABYTES. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 7025-01-499-6464 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
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.