The Test Set,radio, cataloged under National Stock Number 6625-01-666-0427, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-666-0427 |
| Primary Part Number | N9040B |
| Item Name | Test Set,radio |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Enclosure Feature | SINGLE ITEM W/CARRYING CASE |
| Frequency Rating | 3.0 HERTZ MINIMUM AND 50.0 GIGAHERTZ MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT |
| Test Type for Which Designed | SIGNAL ANALYZER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| N9040B PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 10446876 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| N9040B | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 6625-01-666-0427 is a Test Set,radio, manufactured by Keysight Technologies Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-666-0427 has 1 manufacturer part number on file: N9040B (Keysight Technologies Inc).
Key specifications for N9040B: Special Features: FREQUENCY EXTENDS UP TO 110 GHZ WITH KEYSIGHT SMART MIXER GHz; Enclosure Feature: SINGLE ITEM W/CARRYING CASE; Frequency Rating: 3.0 HERTZ MINIMUM AND 50.0 GIGAHERTZ MAXIMUM FIRST ALTERNATE OPERATING POWER RQMT; Part Name Assigned by Controlling Agency: N9040B UXA SIGNAL ANALYZER. 3 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.