The Radiosonde Set, cataloged under National Stock Number 6660-01-103-9121, is classified within Federal Supply Class 6660 (Meteorological Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is Viz Manufacturing Company. Government technical data includes 16 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6660-01-103-9121 |
| Primary Part Number | 1392-510 |
| Item Name | Radiosonde Set |
| FSC / FSG | 6660 / 66 — Meteorological Instruments and Apparatus |
| Manufacturer | Viz Manufacturing Company |
| Status | ACTIVE |
| Frequency Band Quantity | 1 |
| Current Type | DC |
| Major Components | PRE-BASELINED TEMPERATURE AND HUMIDITY SENSORS,PRESSURE TRANSDUCER,BATTERY |
| Accessory Identifying Number | NWS J024 BATTERY PART NO. |
| DC Voltage Rating | 18.0 VOLTS NOMINAL |
| Power Output Rating | 300.0 MILLIWATTS |
| Emission Type | A2 |
| Radio Frequency Rating | 1680.0 MEGAHERTZ NOMINAL |
| Meteorological Condition Transmitted | PRESSURE AND RELATIVE HUMIDITY AND TEMPERATURE |
| Individual Channel Frequency | 1680.0 MEGAHERTZ NOMINAL |
| Frequency Channel Quantity | 1 |
| Accessory Controlling Agency | NOAA - NATIONAL WEATHER SERVICE |
| Meteorological Condition Transmission Range | -90.0 TO 50.0 DEG CELSIUS AND +10.0 TO 100.0 PERCENT AND +5.0 TO 1050.0 MILLIBARS |
| Carrier Type | BALLOON |
| Usage Design | AIRBORNE |
| Accessory Component Quantity | 4 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1392-510 PRIMARY | Viz Manufacturing Company (USA) |
| Reference | Meaning |
|---|---|
| J031 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6660-01-103-9121 is a Radiosonde Set, manufactured by Viz Manufacturing Company, classified under FSC 6660, Meteorological Instruments and Apparatus. Status: active.
NSN 6660-01-103-9121 has 1 manufacturer part number on file: 1392-510 (Viz Manufacturing Company).
Key specifications for 1392-510: Frequency Band Quantity: 1; Current Type: DC; Major Components: PRE-BASELINED TEMPERATURE AND HUMIDITY SENSORS,PRESSURE TRANSDUCER,BATTERY; Accessory Identifying Number: NWS J024 BATTERY PART NO.. 16 specifications are 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.
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.