The Buffer Storage Unit, cataloged under National Stock Number 7025-01-133-5609, 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 Dba Northrop Grumman Systems Corp. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 7025-01-133-5609 |
| Primary Part Number | 877440-2 |
| Item Name | Buffer Storage Unit |
| FSC / FSG | 7025 / 70 — Information Technology Input/output and Storage Devices |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| General Characteristics Item Description | UTILIZED WITH TEST SET,(PADS),AN/USM-427,TM5-6675-238-24P |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | N |
| Weight | 4.7500 lbs |
| Cube | 0.3299 cu ft |
| Part Number | Manufacturer |
|---|---|
| 877440-2 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 877440-1 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| CV-3404/USM-427 | 5/2 Secondary reference U.S. Government activity |
NSN 7025-01-133-5609 is a Buffer Storage Unit, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 7025, Information Technology Input/output and Storage Devices. Status: active.
NSN 7025-01-133-5609 has 1 manufacturer part number on file: 877440-2 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 877440-2: General Characteristics Item Description: UTILIZED WITH TEST SET,(PADS),AN/USM-427,TM5-6675-238-24P; End Item Identification: 6675010819198. 1 specification is 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 7025-01-133-5609 has DEMIL Code B. 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.