The Disk Drive Unit, cataloged under National Stock Number 7025-01-121-6424, 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 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7025-01-121-6424 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 220.0 AC |
| Operating Temp Range | +59.0 TO 90.0 FAHRENHEIT DEGF |
| Unit Design | RACK MOUNTED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| SI900A | 5/9 Secondary reference System Industries Inc |
| 9766 | 3/9 Design control — primary reference General Dynamics Information Systems Inc. Dba General Dynamics Advanced Information Systems |
NSN 7025-01-121-6424 is a Disk Drive Unit, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-179-2291, 5330-01-277-0946. Verify interchangeability with system specifications before substitution.
Key specifications for 7025-01-121-6424: Overall Height: 36.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 220.0 AC; Overall Length: 36.200 INCHES NOMINAL IN; Overall Width: 23.000 INCHES NOMINAL IN. 3 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 7025-01-121-6424 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.