The Thermometer,self-Indicating, cataloged under National Stock Number 6685-01-003-9343, 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 15 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-003-9343 |
| Item Name | Thermometer,self-Indicating |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Socket Overall Length | 2.562 INCHES NOMINAL2.562 INCHES NOMINAL IN |
| Design Type | FLUCTUATINGFLUCTUATING |
| Separable Socket Style | PLAIN SOCKETPLAIN SOCKET |
| Scale Inscription/background Color | BLACK NUMERALS ON ALUMINUM BACKGROUNDBLACK NUMERALS ON ALUMINUM BACKGROUND |
| Scale Smallest Increment | 2.0 DEG FAHRENHEIT2.0 DEG FAHRENHEIT |
| Scale Accuracy Rating | N0T RATEDN0T RATED |
| Actuating Medium | MERCURYMERCURY |
| Features Provided | PROTECTIVE GLASS/PLASTICPROTECTIVE GLASS/PLASTIC |
| Immersion Length | 2.000 INCHES NOMINAL2.000 INCHES NOMINAL IN |
| Scale Type | ENCLOSED GLASS AND ENCLOSED GLASS AND METAL BACKMETAL BACK |
| Bulb Tip Outside Diameter | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| Scale Measurement Range | -30.000 TO 240.000 DEG FAHRENHEIT-30.000 TO 240.000 DEG FAHRENHEIT |
| External Thread Size | 1/2 IN. NPT1/2 IN. NPT IN |
| Material | COPPER ALLOY METER CASE |
| Tip Length | 1.375 INCHES NOMINAL1.375 INCHES NOMINAL 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 |
|---|---|
| TL5A2 | 3/1 Design control — primary reference Weiss Instruments, Inc. |
NSN 6685-01-003-9343 is a Thermometer,self-Indicating, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-003-9343: Socket Overall Length: 2.562 INCHES NOMINAL2.562 INCHES NOMINAL IN; Design Type: FLUCTUATINGFLUCTUATING; Separable Socket Style: PLAIN SOCKETPLAIN SOCKET; Scale Inscription/background Color: BLACK NUMERALS ON ALUMINUM BACKGROUNDBLACK NUMERALS ON ALUMINUM BACKGROUND. 15 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.