The Sensor,ambient Temperature, cataloged under National Stock Number 6685-01-558-4361, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is The Electric Heater Co Dba Hubbell Electric Heater Co.. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Sensor,ambient Temperature |
| FSC / FSG | 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments (FSG 66) |
| Manufacturers | The Electric Heater Co Dba Hubbell Electric Heater Co. (CAGE 19857) |
| Parameter | Value |
|---|---|
| NSN | 6685-01-558-4361 |
| Primary Part Number | XF724403ES |
| Item Name | Sensor,ambient Temperature |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | The Electric Heater Co Dba Hubbell Electric Heater Co. |
| Status | ACTIVE |
| 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 |
|---|---|
| FC724403ES | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| 17756 PC 8 | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| XF724403ES PRIMARY | The Electric Heater Co Dba Hubbell Electric Heater Co. (USA) |
| Reference | Meaning |
|---|---|
| 17756 | D/9 Drawing number reference only The Electric Heater Co Dba Hubbell Electric Heater Co. |
| F724403ES | 5/9 Secondary reference The Electric Heater Co Dba Hubbell Electric Heater Co. |
NSN 6685-01-558-4361 is a Sensor,ambient Temperature, manufactured by The Electric Heater Co Dba Hubbell Electric Heater Co., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-558-4361 has 3 manufacturer part numbers on file: FC724403ES (The Electric Heater Co Dba Hubbell Electric Heater Co.), 17756 PC 8 (The Electric Heater Co Dba Hubbell Electric Heater Co.), XF724403ES (The Electric Heater Co Dba Hubbell Electric Heater Co.).
3 possible matches (shared part number, not a government interchangeability claim): 6680-01-558-4368, 5330-01-558-6038, 5330-01-558-6052. Verify interchangeability with system specifications before substitution.
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.