The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-653-4658, 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20 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-653-4658 |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Flexible Tube Length | 240.0 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 HOLE |
| Bulb Type | PLAIN RIGID |
| Active Portion Diameter | 0.375 INCHES NOMINAL IN |
| Scale Inscription/background Color | BLACK MARKINGS ON WHITE BACKGROUND |
| Scale Smallest Increment | 2.0 DEG FAHRENHEIT |
| Bulb Connection Type | UNION |
| Dial Diameter | 5.595 INCHES NOMINAL IN |
| Indicator Connection Method | FLEXIBLE TUBE |
| Unthreaded Mounting Hole Diameter | 0.190 INCHES NOMINAL IN |
| Case Diameter | 5.595 INCHES NOMINAL IN |
| Actuating Medium | GAS |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE AND 1 RECORDING SINGLE |
| Active Portion Length | 3.0 INCHES NOMINAL IN |
| Specification/standard Data | 81349-MIL-T-19646 GOVERNMENT SPECIFICATION |
| Scale Type | DIAL |
| Nondefinitive Spec/std Data | 3 CLASS |
| Scale Measurement Range | +20.0 TO 240.0 DEG FAHRENHEIT |
| Bulb Quantity | 1 |
| Material | ALUMINUM METER CASE |
| 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 |
|---|---|
| ITR-45-24-A-020-030 | 5/1 Secondary reference Moeller Instrument Company, Inc. Dba Moeller Instrument Co |
| M19646-CL3-4-1/2IN-20-240F-20FT | 2/2 Government specification standardization U.S. Government activity |
NSN 6685-01-653-4658 is a Thermometer,indicating,capillary, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-01-653-4658: Flexible Tube Length: 240.0 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 3 HOLE; Bulb Type: PLAIN RIGID; Active Portion Diameter: 0.375 INCHES NOMINAL IN. 20 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.