The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-242-2139, 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 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-242-2139 |
| Item Name | Thermometer,self-Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Stem Length | 8.125 INCHES NOMINAL8.125 INCHES NOMINAL IN |
| Design Type | FLUCTUATINGFLUCTUATING |
| Scale Inscription/background Color | BLACK MARKING ON SILVER BACKGROUNDBLACK MARKING ON SILVER BACKGROUND |
| Scale Smallest Increment | 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT |
| Actuating Medium | MERCURYMERCURY |
| Features Provided | LENS MAGNIFYING FRONT AND LENS MAGNIFYING FRONT AND EXPANSION CHAMBEREXPANSION CHAMBER |
| Scale Type | METALMETAL |
| Surface Treatment | ENAMEL METER CASE |
| Material | BRASS OR IRON MALLEABLE OR STEEL OR ALUMINUM ALLOY METER CASE |
| Scale Adjustment Variation | 2 DIVISION2 DIVISION |
| 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 |
|---|---|
| GGT321 | 4/1 Identification reference U.S. Government activity |
NSN 6685-00-242-2139 is a Thermometer,self-Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-242-2139: Stem Length: 8.125 INCHES NOMINAL8.125 INCHES NOMINAL IN; Design Type: FLUCTUATINGFLUCTUATING; Scale Inscription/background Color: BLACK MARKING ON SILVER BACKGROUNDBLACK MARKING ON SILVER BACKGROUND; Scale Smallest Increment: 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT. 10 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.