The Disk Drive Unit, cataloged under National Stock Number 7025-01-453-4839, 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 Nakamichi America Corp. Government technical data includes 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 7025-01-453-4839 |
| Primary Part Number | MJ5.16SI |
| Item Name | Disk Drive Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Nakamichi America Corp |
| Status | ACTIVE |
| Design Type | COMPACT DISK - READ ONLY MEMORY |
| Power Source | EXTERNAL |
| Unit Design | RACK MOUNTED |
| 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 | JZ |
| Part Number | Manufacturer |
|---|---|
| MJ5.16SI PRIMARY | Nakamichi America Corp (USA) |
| Reference | Meaning |
|---|---|
| MJ-5.16SI | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 99002B8016-12 | 7/2 Vendor item drawing reference Marine Corps Systems Command Div Marine Corps Systems Command Technical Data Repository Customer Service |
| MJ4.8SI | 5/9 Secondary reference Nakamichi America Corp |
NSN 7025-01-453-4839 is a Disk Drive Unit, manufactured by Nakamichi America Corp, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-453-4839 has 1 manufacturer part number on file: MJ5.16SI (Nakamichi America Corp).
Key specifications for MJ5.16SI: Overall Height: 8.670 INCHES NOMINAL IN; Design Type: COMPACT DISK - READ ONLY MEMORY; Power Source: EXTERNAL; Overall Length: 22.750 INCHES NOMINAL IN. 3 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.