The Disk Drive Unit, cataloged under National Stock Number 7025-01-481-4522, 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 Intergraph Corporation Dba Intergraph Corp. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 7025-01-481-4522 |
| Primary Part Number | X003B51A |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Intergraph Corporation Dba Intergraph Corp |
| Status | ACTIVE |
| Voltage in Volts and Current Type | 12.0 DC |
| Interface Type | SCSI-2 |
| Design Type | HARD CARD |
| Power Source | EXTERNAL |
| Drive Quantity | 1 |
| Drive Size | 3.50 |
| Data Storage Capacity | 440.00 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 | X |
| Part Number | Manufacturer |
|---|---|
| SDDS-01A | Adtron Corp (USA) |
| CDSK23100 | Intergraph Corporation Dba Intergraph Corp (USA) |
| 8036592N00 | Mbda France (FRA) |
| X003B51A PRIMARY | Intergraph Corporation Dba Intergraph Corp (USA) |
NSN 7025-01-481-4522 is a Disk Drive Unit, manufactured by Intergraph Corporation Dba Intergraph Corp, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-481-4522 has 4 manufacturer part numbers on file: SDDS-01A (Adtron Corp), CDSK23100 (Intergraph Corporation Dba Intergraph Corp), 8036592N00 (Mbda France), X003B51A (Intergraph Corporation Dba Intergraph Corp).
1 possible match (shared part number, not a government interchangeability claim): 7050-01-561-1854. Verify interchangeability with system specifications before substitution.
Key specifications for X003B51A: Overall Height: 1.000 INCHES NOMINAL IN; Voltage in Volts and Current Type: 12.0 DC; Interface Type: SCSI-2; Design Type: HARD CARD. 8 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.