The Disk Drive Unit, cataloged under National Stock Number 7025-01-439-4640, 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 Corporation Div Rms. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active. Unit of issue: EA.
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 — Information Technology Input/output and Storage Devices (FSG 70) |
| Manufacturers | Lockheed Martin Corporation Div Rms (CAGE 03538); Dataware Systems Lease, Inc. Dba Dataware Div Dataware Systems (CAGE 4X459); Seagate Technology (CAGE 65867); Seagate Technology Tco Opns (CAGE 1BDK5) |
| Parameter | Value |
|---|---|
| NSN | 7025-01-439-4640 |
| Primary Part Number | 7261631PZ |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Unit of Issue | EA |
| Acquisition advice code | J |
| Weight | 2.5350 lbs |
| Cube | 0.1100 cu ft |
| Part Number | Manufacturer |
|---|---|
| 7261631PZ PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| ST19171N | Dataware Systems Lease, Inc. Dba Dataware Div Dataware Systems (USA) |
| 7261631 | Lockheed Martin Corporation Div Rms (USA) |
| ST19171N PRIMARY | Seagate Technology (USA) |
| ST19171N | Seagate Technology Tco Opns (USA) |
NSN 7025-01-439-4640 is a Disk Drive Unit, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-439-4640 has 5 manufacturer part numbers on file: 7261631PZ (Lockheed Martin Corporation Div Rms), ST19171N (Dataware Systems Lease, Inc. Dba Dataware Div Dataware Systems), 7261631 (Lockheed Martin Corporation Div Rms), ST19171N (Seagate Technology), ST19171N (Seagate Technology Tco Opns).
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.