The Disk Drive Unit, cataloged under National Stock Number 7025-01-554-1459, 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 Alliance Systems Ltd Dba Alliance Systems. Government technical data includes 8 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-554-1459 |
| Primary Part Number | 99-1001-519 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Alliance Systems Ltd Dba Alliance Systems |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 12.0 DC |
| Design Type | HARD DISK |
| Transfer Rate in Megabytes Per Second | 300.0 |
| Drive Quantity | 1 |
| Drive Size | 3.50 |
| Unpackaged Unit Weight | 0.790 POUNDS LBS |
| Data Storage Capacity | 20.00 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) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | G |
| Part Number | Manufacturer |
|---|---|
| ST3500641AS-RK | Ezs, Inc. Dba Ez Systems (USA) |
| 99-1001-519 PRIMARY | Alliance Systems Ltd Dba Alliance Systems (USA) |
| ST3500641AS-RK | Seagate Technology (USA) |
NSN 7025-01-554-1459 is a Disk Drive Unit, manufactured by Alliance Systems Ltd Dba Alliance Systems, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-554-1459 has 3 manufacturer part numbers on file: ST3500641AS-RK (Ezs, Inc. Dba Ez Systems), 99-1001-519 (Alliance Systems Ltd Dba Alliance Systems), ST3500641AS-RK (Seagate Technology).
Key specifications for 99-1001-519: Overall Height: 0.787 INCHES NOMINAL IN; Voltage in Volts and Current Type: 12.0 DC; Design Type: HARD DISK; Transfer Rate in Megabytes Per Second: 300.0. 8 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.