The Disk Drive Unit, cataloged under National Stock Number 7025-01-581-2139, 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 Hitachi Data Systems. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7025-01-581-2139 |
| Primary Part Number | HITACHI DESKSTAR 1TB |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Hitachi Data Systems |
| Status | ACTIVE |
| Design Type | HARD DISK |
| Drive Size | 3.50 |
| Unit Design | INTERNAL |
| 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 |
|---|---|
| HITACHI DESKSTAR 1TB PRIMARY | Hitachi Data Systems (USA) |
| AMS1TB7KHDD PRIMARY | Hitachi Data Systems (USA) |
NSN 7025-01-581-2139 is a Disk Drive Unit, manufactured by Hitachi Data Systems, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-581-2139 has 2 manufacturer part numbers on file: HITACHI DESKSTAR 1TB (Hitachi Data Systems), AMS1TB7KHDD (Hitachi Data Systems).
Key specifications for HITACHI DESKSTAR 1TB: Design Type: HARD DISK; Drive Size: 3.50; Part Name Assigned by Controlling Agency: DESKSTAR 7K1000 3.5-INCH HARD DISK DRIVE; Unit Design: INTERNAL. 3 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.