The Thermometer,self-Indicating, cataloged under National Stock Number 6685-00-892-1640, 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 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-892-1640 |
| Item Name | Thermometer,self-Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Stem Length | 3.813 INCHES NOMINAL3.813 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 FRONTLENS MAGNIFYING FRONT |
| Scale Type | METAL NONMAGNETICMETAL NONMAGNETIC |
| Nondefinitive Spec/std Data | 3 CLASS AND A FORM AND C RANGE AND 1 STYLE AND 1 TYPE |
| Surface Treatment | ENAMEL METER CASE |
| Material | BRASS METER CASE |
| Scale Adjustment Variation | 1 DEGREE1 DEGREE |
| 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 |
| AM422S8700-262541ITEM3 | 5/2 Secondary reference U.S. Government activity |
NSN 6685-00-892-1640 is a Thermometer,self-Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-892-1640: Stem Length: 3.813 INCHES NOMINAL3.813 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. 11 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.