The Disk Drive Unit, cataloged under National Stock Number 7025-01-442-5694, 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 Western Digital Corp. Government technical data includes 11 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. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-442-5694 |
| Primary Part Number | AC 21600 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Western Digital Corp |
| Status | ACTIVE |
| Access Time in Milliseconds | 12.0 |
| Voltage in Volts and Current Type | 12.0 DC |
| Interface Type | EIDE |
| Design Type | HARD DISK |
| Transfer Rate in Megabytes Per Second | 16.6 |
| Power Source | EXTERNAL |
| Drive Quantity | 2 |
| Drive Size | 3.50 |
| Interleave Rate Ratio | 1.0 |
| Data Storage Capacity | 1624.00 MEGABYTES |
| 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 |
| Part Number | Manufacturer |
|---|---|
| AC 21600 PRIMARY | Western Digital Corp (USA) |
NSN 7025-01-442-5694 is a Disk Drive Unit, manufactured by Western Digital Corp, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-442-5694 has 1 manufacturer part number on file: AC 21600 (Western Digital Corp).
Key specifications for AC 21600: Access Time in Milliseconds: 12.0; Overall Height: 1.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 12.0 DC; Interface Type: EIDE. 11 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.