The Disk Drive Unit, cataloged under National Stock Number 7025-01-550-1276, 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 IBM Storage Systems. Government technical data includes 10 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-550-1276 |
| Primary Part Number | DSCM-11000 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | IBM Storage Systems |
| Status | ACTIVE |
| Access Time in Milliseconds | 12.0 |
| Voltage in Volts and Current Type | 5.0 DC |
| Interface Type | IDE |
| Design Type | HARD DISK |
| Transfer Rate in Megabytes Per Second | 13.3 |
| Power Source | EXTERNAL |
| Drive Quantity | 1 |
| Operating Temp Range | +0.0 TO 55.0 CELSIUS DEGC |
| Data Storage Capacity | 1000.00 MEGABYTES |
| Unit Design | INTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Part Number | Manufacturer |
|---|---|
| DSCM-11000 PRIMARY | IBM Storage Systems (USA) |
| Reference | Meaning |
|---|---|
| 7648331-1 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| 7648331-2 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 7025-01-550-1276 is a Disk Drive Unit, manufactured by IBM Storage Systems, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-550-1276 has 1 manufacturer part number on file: DSCM-11000 (IBM Storage Systems).
1 possible match (shared part number, not a government interchangeability claim): 7050-01-633-1598. Verify interchangeability with system specifications before substitution.
Key specifications for DSCM-11000: Access Time in Milliseconds: 12.0; Overall Height: 5.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 5.0 DC; Interface Type: IDE. 10 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 7025-01-550-1276 has DEMIL Code B. 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.