The Disk Drive Unit, cataloged under National Stock Number 7025-01-658-8581, 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 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 7025-01-658-8581 |
| Primary Part Number | 20528214-201 |
| 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 P — Demil Prior To Sale/Transfer |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | YM |
| Weight | 0.2000 lbs |
| Cube | 0.0035 cu ft |
| Part Number | Manufacturer |
|---|---|
| 20528214-201 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 142-7029-1201 PRIMARY | Sparton Aydin, Llc Div Sparton Aydin Llc, Dba Aydin Displays (USA) |
| Reference | Meaning |
|---|---|
| 142-7029-1101 | 5/9 Secondary reference Aydin Displays, Inc. |
NSN 7025-01-658-8581 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 7025-01-658-8581 has 2 manufacturer part numbers on file: 20528214-201 (Lockheed Martin Corporation Div Rms), 142-7029-1201 (Sparton Aydin, Llc Div Sparton Aydin Llc, Dba Aydin Displays).
Key specifications for 20528214-201: Part Name Assigned by Controlling Agency: DISK DRIVE UNIT. 0 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 7025-01-658-8581 has DEMIL Code P. 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.