The Arithmetic Unit,computer, cataloged under National Stock Number 7025-01-439-6301, 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 International Business Machines Corp Parts Order Center Dept E - 54. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 7025-01-439-6301 |
| Primary Part Number | 9121-521 |
| Item Name | Arithmetic Unit,computer |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | International Business Machines Corp Parts Order Center Dept E - 54 |
| Status | ACTIVE |
| Intelligence Input Method | ELECTRICAL |
| Power Source | EXTERNAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 9121-521 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| Reference | Meaning |
|---|---|
| 9121-521 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 7025-01-439-6301 is a Arithmetic Unit,computer, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-439-6301 has 1 manufacturer part number on file: 9121-521 (International Business Machines Corp Parts Order Center Dept E - 54).
Key specifications for 9121-521: Intelligence Input Method: ELECTRICAL; Power Source: EXTERNAL. 2 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.