The Disk Drive Unit, cataloged under National Stock Number 7025-01-577-5853, 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 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7025-01-577-5853 |
| Primary Part Number | WD1001FALS |
| 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 | 1024.00 GIGABYTES |
| Unit Design | DESK TOP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| WD1001FALS PRIMARY | Western Digital Corp (USA) |
NSN 7025-01-577-5853 is a Disk Drive Unit, manufactured by Western Digital Corp, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-577-5853 has 1 manufacturer part number on file: WD1001FALS (Western Digital Corp).
1 possible match (shared part number, not a government interchangeability claim): 7025-01-581-1542. Verify interchangeability with system specifications before substitution.
Key specifications for WD1001FALS: Design Type: HARD DISK; Drive Quantity: 1; Drive Size: 3.50; Part Name Assigned by Controlling Agency: WD CAVVIAR DESKTOP HARD DRIVE. 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.
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.