The Disk Drive Unit, cataloged under National Stock Number 7025-01-550-5729, 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 Hgst, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-550-5729 |
| Primary Part Number | HEJ421010G9AT00 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Hgst, Inc. |
| Status | ACTIVE |
| Access Time in Milliseconds | 12.0 |
| Voltage in Volts and Current Type | 5.0 DC |
| Interface Type | EIDE |
| Design Type | HARD DISK |
| Transfer Rate in Megabytes Per Second | 100.0 |
| Power Source | EXTERNAL |
| Drive Quantity | 1 |
| Drive Size | 2.50 |
| Unpackaged Unit Weight | 0.1 KILOGRAMS KG |
| Operating Temp Range | +5.0 TO 55.0 CELSIUS DEGC |
| Data Storage Capacity | 100.00 GIGABYTES |
| Unit Design | INTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 0.2600 lbs |
| Cube | 0.0521 cu ft |
| Part Number | Manufacturer |
|---|---|
| HEJ421010G9AT00 PRIMARY | Hgst, Inc. (USA) |
| Reference | Meaning |
|---|---|
| HTS541010G9AT00 | 5/9 Secondary reference Hitachi America Ltd Dba Hitachi Computer Products America Inc |
| 7647678 | 3/9 Design control — primary reference Naval Sea Systems Command |
| 8212667 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 7025-01-550-5729 is a Disk Drive Unit, manufactured by Hgst, Inc., classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-550-5729 has 1 manufacturer part number on file: HEJ421010G9AT00 (Hgst, Inc.).
Key specifications for HEJ421010G9AT00: Access Time in Milliseconds: 12.0; Overall Height: 9.5 MILLIMETERS NOMINAL MM; Voltage in Volts and Current Type: 5.0 DC; Interface Type: EIDE. 12 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 7025-01-550-5729 has DEMIL Code D. 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.