The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-377-6948, 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 6 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-377-6948 |
| Item Name | Thermometer,self-Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Design Type | FLUCTUATING |
| Scale Inscription/background Color | RED MARKING ON WHITE BACKGROUND |
| Scale Smallest Increment | 1.0 DEG CELSIUS |
| Actuating Medium | MERCURY |
| Features Provided | EXPANSION CHAMBER |
| Scale Type | ETCHED STEM |
| 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 |
|---|---|
| 5890 | 5/9 Secondary reference Mitsubishi Caterpillar Forklift America, Inc |
| 12-142T | 3/9 Design control — primary reference Fisher Scientific Company L.l.c. |
NSN 6685-00-377-6948 is a Thermometer,self-Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
4 possible matches (shared part number, not a government interchangeability claim): 4510-00-951-8433, 6630-01-227-4274, 5985-01-287-4250. Verify interchangeability with system specifications before substitution.
Key specifications for 6685-00-377-6948: Design Type: FLUCTUATING; Scale Inscription/background Color: RED MARKING ON WHITE BACKGROUND; Scale Smallest Increment: 1.0 DEG CELSIUS; Overall Length: 228.000 INCHES NOMINAL IN. 6 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.