The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-012-2597, 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 20 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-012-2597 |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Flexible Tube Length | 180.000 INCHES NOMINAL IN |
| Bulb Type | PLAIN RIGID |
| Active Portion Diameter | 0.375 INCHES NOMINAL IN |
| Scale Inscription/background Color | BLACK MARKINGS ON YELLOW BACKGROUND |
| Scale Smallest Increment | 10.0 DEG FAHRENHEIT |
| Bulb Connection Type | UNION |
| Dial Diameter | 4.500 INCHES NOMINAL IN |
| Indicator Connection Method | FLEXIBLE TUBE |
| Style Designator | BULB W/O SOCKET |
| Case Diameter | 5.062 INCHES NOMINAL IN |
| Actuating Medium | GAS |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE AND 1 REFERENCE SINGLE |
| Active Portion Length | 3.000 INCHES NOMINAL IN |
| Scale Type | DIAL |
| Nondefinitive Spec/std Data | C CLASS |
| Scale Measurement Range | +400.000 TO 1200.000 DEG FAHRENHEIT |
| Bulb Quantity | 1 |
| Bulb Tip Length | 3.000 INCHES NOMINAL IN |
| Bulb Style | PLAIN BULB W/RIGID EXTENSION |
| Material | STEEL CORROSION RESISTING BULB |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 41GP-F00L-W15Y | 5/1 Secondary reference Weksler Glass Thermometer Corp |
| MIL-T-19646 | 4/1 Identification reference U.S. Government activity |
| M19646-C212H415 | 2/2 Government specification standardization U.S. Government activity |
| 45-T8478K-51E-300-0150-400-1200F | 5/1 Secondary reference Ashcroft Inc Dba Heise |
| 41GP-Y00U-W15Y | 5/1 Secondary reference Weksler Glass Thermometer Corp |
NSN 6685-01-012-2597 is a Thermometer,indicating,capillary, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-012-2597: Flexible Tube Length: 180.000 INCHES NOMINAL IN; Bulb Type: PLAIN RIGID; Active Portion Diameter: 0.375 INCHES NOMINAL IN; Scale Inscription/background Color: BLACK MARKINGS ON YELLOW BACKGROUND. 20 specifications are documented in the U.S. Government catalog.
Hazardous per DLA record (HMIC Y). 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.