The Plug-in Unit,electrical-Electron, cataloged under National Stock Number 6625-01-069-1237, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Keysight Technologies Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-069-1237 |
| Primary Part Number | 8553B-E03 |
| Item Name | Plug-in Unit,electrical-Electron |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Supplementary Features | RF SECTION; FREQ MEASUREMENTS 1 KILOHZ TO 110 MEGAHZ |
| Unit Type | SPECTRUM ANALYZER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Weight | 20.0000 lbs |
| Cube | 0.3333 cu ft |
| Part Number | Manufacturer |
|---|---|
| 8553B-E03 PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 8553B-E29 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 8553B-E03 | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 8553B-E03 | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 6625-01-069-1237 is a Plug-in Unit,electrical-Electron, manufactured by Keysight Technologies Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-069-1237 has 1 manufacturer part number on file: 8553B-E03 (Keysight Technologies Inc).
Key specifications for 8553B-E03: Supplementary Features: RF SECTION; FREQ MEASUREMENTS 1 KILOHZ TO 110 MEGAHZ; Unit Type: SPECTRUM ANALYZER; End Item Identification: HP MODELS 140T AND 141T. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). 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.