The Thermometer,self-Indicating, cataloged under National Stock Number 6685-01-425-8788, 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 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 6685-01-425-8788 |
| Item Name | Thermometer,self-Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Design Type | MINIMUM AND MAXIMUM |
| Actuating Medium | LIQUID |
| Scale Type | RECTANGULAR |
| Scale Measurement Range | +0.000 TO 1000.000 DEG FAHRENHEIT |
| 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 |
|---|---|
| PM20L2 | 5/9 Secondary reference Raytek Inc |
| FLUKE572 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-425-8788 is a Thermometer,self-Indicating, 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): 6685-01-543-8471. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-01-425-8788: Design Type: MINIMUM AND MAXIMUM; Actuating Medium: LIQUID; Scale Type: RECTANGULAR; Scale Measurement Range: +0.000 TO 1000.000 DEG FAHRENHEIT. 4 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.