The Disk Drive Unit, cataloged under National Stock Number 7025-01-388-0271, 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 America Ltd Dba Hitachi Computer Products America Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-388-0271 |
| Primary Part Number | DK515-78 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Hitachi America Ltd Dba Hitachi Computer Products America Inc |
| Status | ACTIVE |
| Design Type | HARD DISK |
| Transfer Rate in Megabytes Per Second | 21.0 |
| Drive Quantity | 1 |
| Drive Size | 5.25 |
| Drive Height | FULL |
| Data Storage Capacity | 780.000 MEGABYTES |
| Unit Design | INTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Part Number | Manufacturer |
|---|---|
| DK515-78 PRIMARY | Hitachi America Ltd Dba Hitachi Computer Products America Inc (USA) |
| Reference | Meaning |
|---|---|
| 7036158-009 | 5/9 Secondary reference Rosanne Hooks Mdpa |
NSN 7025-01-388-0271 is a Disk Drive Unit, manufactured by Hitachi America Ltd Dba Hitachi Computer Products America Inc, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-388-0271 has 1 manufacturer part number on file: DK515-78 (Hitachi America Ltd Dba Hitachi Computer Products America Inc).
Key specifications for DK515-78: Design Type: HARD DISK; Transfer Rate in Megabytes Per Second: 21.0; Drive Quantity: 1; Drive Size: 5.25. 7 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 7025-01-388-0271 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.