The Disk Drive Unit, cataloged under National Stock Number 7025-01-421-1334, is classified within Federal Supply Class 7025 (Information Technology Input/output and Storage Devices) of the General Purpose ADP Equipment group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 7025-01-421-1334 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Status | ACTIVE |
| Access Time in Milliseconds | 3.0 |
| Tracks Per Inch | 80.0 |
| Voltage in Volts and Current Type | 5.0 DC |
| Interface Type | RS 232C |
| Design Type | FLEXIBLE DISK |
| Transfer Rate in Megabytes Per Second | 500.0 |
| Power Source | EXTERNAL |
| Drive Quantity | 1 |
| Drive Size | 3.50 |
| Drive Height | HALF |
| Operating Temp Range | +5.0 TO 50.0 CELSIUS DEGC |
| Data Storage Capacity | 2.00 KILOBYTES |
| Unit Design | INTERNAL |
| 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 | JN |
| Reference | Meaning |
|---|---|
| 6457363-1 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems |
| FD-235HF-6240 | 3/9 Design control — primary reference Teac America, Inc |
| 6457363-1 | C/1 Advisory reference — outside the item-of-supply concept Honeywell Intl Inc Defense Avionics Systems |
NSN 7025-01-421-1334 is a Disk Drive Unit, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
Key specifications for 7025-01-421-1334: Access Time in Milliseconds: 3.0; Overall Height: 4.000 INCHES NOMINAL IN; Tracks Per Inch: 80.0; Voltage in Volts and Current Type: 5.0 DC. 13 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.