The Disk Drive Unit, cataloged under National Stock Number 7025-01-707-2522, 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 Bae Systems Information and Electronic Systems Integration Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). 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 | Bae Systems Information and Electronic Systems Integration Inc. (CAGE 0D0D0) |
| Parameter | Value |
|---|---|
| NSN | 7025-01-707-2522 |
| Primary Part Number | 8561985-1 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Bae Systems Information and Electronic Systems Integration Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| 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 |
|---|---|
| 8561985-1 PRIMARY | Bae Systems Information and Electronic Systems Integration Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8561985 | D/9 Drawing number reference only Bae Systems Information and Electronic Systems Integration Inc. |
NSN 7025-01-707-2522 is a Disk Drive Unit, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-707-2522 has 1 manufacturer part number on file: 8561985-1 (Bae Systems Information and Electronic Systems Integration Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 7025-01-707-2523, 7025-01-707-2525. Verify interchangeability with system specifications before substitution.
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 7025-01-707-2522 has DEMIL Code D. 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.