The Disk Drive Unit, cataloged under National Stock Number 7025-01-477-9221, 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 Plasmon Ide Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 7025-01-477-9221 |
| Primary Part Number | M104J-520-4 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Plasmon Ide Inc |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 100.0 AC AND 120.0 AC |
| Interface Type | SCSI |
| Design Type | DISK PACK |
| Transfer Rate in Megabytes Per Second | 2.4 |
| Drive Quantity | 4 |
| Drive Size | 5.25 |
| Operating Temp Range | +10.0 TO 40.0 CELSIUS DEGC |
| Data Storage Capacity | 540.00 GIGABYTES |
| Unit Design | FREE STANDING |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| M104J-520-4 PRIMARY | Plasmon Ide Inc (USA) |
| Reference | Meaning |
|---|---|
| M104-520-4 | 5/9 Secondary reference Plasmon Ide Inc |
NSN 7025-01-477-9221 is a Disk Drive Unit, manufactured by Plasmon Ide Inc, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-477-9221 has 1 manufacturer part number on file: M104J-520-4 (Plasmon Ide Inc).
Key specifications for M104J-520-4: Overall Height: 41.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 100.0 AC AND 120.0 AC; Interface Type: SCSI; Design Type: DISK PACK. 9 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 7025-01-477-9221 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.