The Cloud Height Indicator Set, cataloged under National Stock Number 6660-01-643-4202, is classified within Federal Supply Class 6660 (Meteorological Instruments and Apparatus) of the Instruments and Laboratory Equipment group. The manufacturer of record is All Weather, Inc. Dba All Weather Inc. 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 | 6660-01-643-4202 |
| Primary Part Number | M403435-04 |
| Item Name | Cloud Height Indicator Set |
| FSC / FSG | 6660 / 66 — Meteorological Instruments and Apparatus |
| Manufacturer | All Weather, Inc. Dba All Weather Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| M403435-04 PRIMARY | All Weather, Inc. Dba All Weather Inc (USA) |
NSN 6660-01-643-4202 is a Cloud Height Indicator Set, manufactured by All Weather, Inc. Dba All Weather Inc, classified under FSC 6660, Meteorological Instruments and Apparatus. Status: active.
NSN 6660-01-643-4202 has 1 manufacturer part number on file: M403435-04 (All Weather, Inc. Dba All Weather Inc).
Key specifications for M403435-04: Special Features: POWER SUPPLY: 95-240 V AC, 47-64 HZ, 100 W; 110 VAC CEILOMETER; MEASURMENT RANGE: 12,500 TO 25,000 FT (SELECTABLE); RESOLUTION: 12.5 FT; ACCURACY: +/-20 FT; CLOUD LAYERS: UP TO 4, BASE AND DEPTH; MEASUREMENT CYCLE: CONFIGURABLE TO 30, 60, OR 120 SECOND SAMPLING PER REPORTING INTERVAL; CAN BE SET TO 180 SEC. WHEN NO CLOUDS DETECTED; OPERATING TEMP: -40 DEG C TO +60 DEG C; STORAGE TEMP; -50 DEG C TO +70 DEG C; RELATIVE HUMIDITY: 0-100%, CONDENSING; LASER: LIDAR: INGAAS, PULSED DIODE; WAVE LENGTH: 905 +/- 10NM; PULSE WIDTH: 50NS; COLLECTOR TYPE: SI AVALANCH PHOTODIODE, VARIABLE GAIN, TEMP COMPENSATED; OPTICS: SIDE BY SIDE VAC; Part Name Assigned by Controlling Agency: CEILOMETER ASSEMBLY; End Item Identification: MODEL 8339-F LASER CEILOMETER. 0 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.