The Test Set,audio, cataloged under National Stock Number 6625-01-683-3115, 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 Listen, Inc. Dba Listen Inc. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6625-01-683-3115 |
| Primary Part Number | 4901 |
| Item Name | Test Set,audio |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Listen, Inc. Dba Listen Inc |
| Status | ACTIVE |
| Major Components | SOUNDCHECK, SCAMP AUTO TEST AMPLIFIER, MICROPHONE |
| DC Voltage Rating | 24.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT |
| Electrical Power Source Relationship | ALTERNATE OPERATING |
| Height | 1.65 INCHES NOMINAL IN |
| Depth | 8.82 INCHES NOMINAL IN |
| Functional Description | AUDIO INTERFACE DESIGNED FOR AUDIO TESTING |
| Enclosure Feature | SINGLE ITEM W/HOUSING |
| Width | 4.275 INCHES NOMINAL IN |
| Test Type for Which Designed | AUDIO |
| 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 |
|---|---|
| 4901 PRIMARY | Listen, Inc. Dba Listen Inc (USA) |
NSN 6625-01-683-3115 is a Test Set,audio, manufactured by Listen, Inc. Dba Listen Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-683-3115 has 1 manufacturer part number on file: 4901 (Listen, Inc. Dba Listen Inc).
Key specifications for 4901: Major Components: SOUNDCHECK, SCAMP AUTO TEST AMPLIFIER, MICROPHONE; DC Voltage Rating: 24.0 VOLTS NOMINAL FIRST OPERATING POWER RQMT; Electrical Power Source Relationship: ALTERNATE OPERATING; Height: 1.65 INCHES NOMINAL IN. 9 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.