The Disk Drive Unit, cataloged under National Stock Number 7025-01-666-3981, 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 Lockheed Martin Corp Div Space. Government technical data includes 7 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-666-3981 |
| Primary Part Number | 6773053-202 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Lockheed Martin Corp Div Space |
| Status | ACTIVE |
| Interface Type | SERIAL ADVANCED TECHNOLOGY ATTACHMENT |
| Design Type | HARD DISK |
| Transfer Rate in Megabytes Per Second | 600.0 |
| Power Source | EXTERNAL |
| Drive Size | 2.50 |
| Data Storage Capacity | 1.0 TERABYTES |
| 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 | J |
| Part Number | Manufacturer |
|---|---|
| 6773053-202 | Lockheed Martin Corp Div Space (USA) |
| Reference | Meaning |
|---|---|
| 6773053-120 | 5/9 Secondary reference Lockheed Martin Corp Div Space |
| 400-AFPG | 5/9 Secondary reference Dell Computer Corp |
| 400-AIBZ | 3/9 Design control — primary reference Dell Computer Corp |
NSN 7025-01-666-3981 is a Disk Drive Unit, manufactured by Lockheed Martin Corp Div Space, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-666-3981 has 1 manufacturer part number on file: 6773053-202 (Lockheed Martin Corp Div Space).
Key specifications for 6773053-202: Interface Type: SERIAL ADVANCED TECHNOLOGY ATTACHMENT; Design Type: HARD DISK; Transfer Rate in Megabytes Per Second: 600.0; Power Source: EXTERNAL. 7 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.