The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-043-0746, 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 22 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-043-0746 |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Flexible Tube Length | 60.000 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 1 FLUSH AND 3 HOLE |
| Bulb Overall Length | 5.500 INCHES NOMINAL IN |
| Bulb Type | BENDABLE PLAIN |
| Active Portion Diameter | 0.625 INCHES NOMINAL IN |
| Scale Inscription/background Color | BLACK MARKING ON WHITE BACKGROUND |
| Scale Smallest Increment | 1.0 DEG FAHRENHEIT |
| Scale Accuracy Rating | 1 PCT |
| Dial Diameter | 4.500 INCHES NOMINAL IN |
| Indicator Connection Method | FLEXIBLE TUBE |
| Mounting Facility Screw Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Case Diameter | 6.0625 INCHES NOMINAL IN |
| Actuating Medium | MERCURY |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Active Portion Length | 4.375 INCHES NOMINAL IN |
| Mounting Thread Quantity | 24 PER INCH |
| Scale Type | CONCENTRIC DIAL |
| Mounting Bolt Circle Diameter | 5.375 INCHES NOMINAL IN |
| Bulb Quantity | 1 |
| Material | PLASTIC METER CASE |
| Material | STEEL CORROSION RESISTING BULB |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED IN SCALE RANGE,ACTIVE PORTION LENGTH,ACTIVE PORTION DIAMETER,OVERALL LENGTH,DIAMETER,DEPTH,MOUNTING TYPE,BOLT CIRCLE DIAMETER,MOUNTING HOLE QUANTITY,MOUNTING HOLE/STUD SIZE,AND CONNECTION LOCATION |
| 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 |
|---|---|
| 45-6442RMU4 1-2T5 | 3/1 Design control — primary reference Ashcroft Inc Dba Heise |
| 4 1-2 6435RMT35R120 | 5/1 Secondary reference Ashcroft Inc Dba Heise |
| 70A384 | 5/1 Secondary reference Ashcroft Inc Dba Heise |
NSN 6685-00-043-0746 is a Thermometer,indicating,capillary, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-043-0746: Flexible Tube Length: 60.000 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 1 FLUSH AND 3 HOLE; Bulb Overall Length: 5.500 INCHES NOMINAL IN; Bulb Type: BENDABLE PLAIN. 22 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.