The Wattmeter, cataloged under National Stock Number 6625-01-459-5290, 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 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-459-5290 |
| Primary Part Number | 441A-EPM |
| Item Name | Wattmeter |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Indicator Type | DIGITAL DISPLAY |
| Style Designator | PORTABLE W/TILT VIEW HANDLE |
| Features Provided | PORTABLE |
| Display Type | LIQUID CRYSTAL |
| Installation Design | BENCH |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Weight | 12.0000 lbs |
| Cube | 2.4450 cu ft |
| Part Number | Manufacturer |
|---|---|
| 441A-EPM PRIMARY | Keysight Technologies Inc (USA) |
| E4418A | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| HP-E4418A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| E4418A | 5/9 Secondary reference Agilent Technologies, Inc. Div Agilent Technologies Headquarters |
| E4418A | 5/9 Secondary reference Keysight Technologies, Inc. |
| EPM-441A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 441A-EPM | 3/9 Design control — primary reference Keysight Technologies, Inc. |
| 441A-EPM | 5/9 Secondary reference Agilent Technologies, Inc. Div Agilent Technologies Headquarters |
NSN 6625-01-459-5290 is a Wattmeter, manufactured by Keysight Technologies Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-459-5290 has 2 manufacturer part numbers on file: 441A-EPM (Keysight Technologies Inc), E4418A (Keysight Technologies Inc).
Key specifications for 441A-EPM: Indicator Type: DIGITAL DISPLAY; Style Designator: PORTABLE W/TILT VIEW HANDLE; Features Provided: PORTABLE; Display Type: LIQUID CRYSTAL. 5 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.