The Disk Drive Unit, cataloged under National Stock Number 7025-01-573-6553, 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 Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems. Government technical data includes 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 7025-01-573-6553 |
| Primary Part Number | C99A9445-1 |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Design Type | HARD DISK |
| Power Source | EXTERNAL |
| Drive Quantity | 2 |
| Drive Size | 2.50 |
| Data Storage Capacity | 640.00 GIGABYTES |
| Unit Design | PANEL MOUNTED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | CT |
| Part Number | Manufacturer |
|---|---|
| C99A9445-1 PRIMARY | Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| RPD-SA642-03F | 7/2 Vendor item drawing reference Phoenix International Systems Inc Dba Phoenix International Systems Inc |
| RPD-SA642-02F | 5/9 Secondary reference Phoenix International Systems Inc Dba Phoenix International Systems Inc |
NSN 7025-01-573-6553 is a Disk Drive Unit, manufactured by Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-573-6553 has 1 manufacturer part number on file: C99A9445-1 (Northrop Grumman Systems Corporation Div Northrop Grumman Aeronautics Systems).
Key specifications for C99A9445-1: Overall Height: 1.300 INCHES NOMINAL IN; Design Type: HARD DISK; Power Source: EXTERNAL; Drive Quantity: 2. 6 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 7025-01-573-6553 has DEMIL Code Q. 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.