The Sensor,overheat, cataloged under National Stock Number 6685-01-175-1903, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-175-1903 |
| Item Name | Sensor,overheat |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| General Characteristics Item Description | CASE 3.031 IN. L,1.000 IN. DIA; WIRE 2.750 IN. L,0.250 IN. DIA; RANGE 475 TO 510 DEG F IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| AB014-501 | 3/2 Design control — primary reference U.S. Government activity |
| 27131203 | 5/2 Secondary reference U.S. Government activity |
| P-7300-101 | 5/9 Secondary reference U.S. Government activity |
| 27131203 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| 8014-501 | 5/9 Secondary reference U.S. Government activity |
NSN 6685-01-175-1903 is a Sensor,overheat, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5975-01-425-2510. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-01-175-1903: General Characteristics Item Description: CASE 3.031 IN. L,1.000 IN. DIA; WIRE 2.750 IN. L,0.250 IN. DIA; RANGE 475 TO 510 DEG F IN. 1 specification is 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.