The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-231-8673, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-231-8673 |
| Primary Part Number | 45-T8478K-51E-0050-20/240DEG F |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Ashcroft Inc Dba Heise |
| Status | ACTIVE |
| Flexible Tube Length | 60.000 INCHES NOMINAL IN |
| Bulb Type | FLEXIBLE EXTENSION PLAIN |
| Active Portion Diameter | 0.375 INCHES NOMINAL IN |
| Bulb Connection Type | UNION |
| Dial Diameter | 4.500 INCHES NOMINAL IN |
| Indicator Connection Method | FLEXIBLE TUBE |
| Style Designator | BULB W/O SOCKET |
| Case Diameter | 5.812 INCHES NOMINAL IN |
| Actuating Medium | GAS |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Extension Neck Length | 3.000 INCHES NOMINAL IN |
| Scale Type | DIAL |
| Scale Measurement Range | +20.000 TO 240.000 DEG FAHRENHEIT |
| Bulb Quantity | 1 |
| Bulb Tip Length | 3.000 INCHES NOMINAL IN |
| Bulb Style | PLAIN BULB W/BENDABLE EXTENSION |
| Material | ALUMINUM METER CASE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Hazardous per DLA record (HMIC Y) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 45-T8478K-51E-0050-20/240DEG F PRIMARY | Ashcroft Inc Dba Heise (USA) |
| 41GP-Y00R-F05Y | Weksler Glass Thermometer Corp (USA) |
NSN 6685-01-231-8673 is a Thermometer,indicating,capillary, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-231-8673 has 2 manufacturer part numbers on file: 45-T8478K-51E-0050-20/240DEG F (Ashcroft Inc Dba Heise), 41GP-Y00R-F05Y (Weksler Glass Thermometer Corp).
Key specifications for 45-T8478K-51E-0050-20/240DEG F: Flexible Tube Length: 60.000 INCHES NOMINAL IN; Bulb Type: FLEXIBLE EXTENSION PLAIN; Active Portion Diameter: 0.375 INCHES NOMINAL IN; Bulb Connection Type: UNION. 17 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.