The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-00-491-1102, 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 Moeller Instrument Company, Inc. Dba Moeller Instrument Co. Government technical data includes 24 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-491-1102 |
| Primary Part Number | 100425N2002-21S0E18T65L |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Moeller Instrument Company, Inc. Dba Moeller Instrument Co |
| Status | ACTIVE |
| Flexible Tube Length | 780.000 INCHES NOMINAL780.000 INCHES NOMINAL IN |
| Bulb Overall Length | 21.000 INCHES NOMINAL21.000 INCHES NOMINAL IN |
| Bulb Type | FLEXIBLE EXTENSION PLAIN |
| Active Portion Diameter | 0.938 INCHES NOMINAL IN |
| Scale Inscription/background Color | BLACK MARKINGS ON YELLOW BACKGROUNDBLACK MARKINGS ON YELLOW BACKGROUND |
| Scale Smallest Increment | 5.0 DEG FAHRENHEIT |
| Bulb Connection Type | THREADEDTHREADED |
| Dial Diameter | 8.500 INCHES NOMINAL8.500 INCHES NOMINAL IN |
| Indicator Connection Method | FLEXIBLE TUBE |
| Style Designator | BULB W/O SOCKET |
| Case Diameter | 10.250 INCHES NOMINAL10.250 INCHES NOMINAL IN |
| Actuating Medium | GAS |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE AND 1 INDICATING SINGLE AND 1 REFERENCE SINGLE1 REFERENCE SINGLE |
| Active Portion Length | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Extension Neck Length | 18.000 INCHES NOMINAL IN |
| Scale Type | CONCENTRIC DIALCONCENTRIC DIAL |
| Nondefinitive Spec/std Data | C CLASSC CLASS |
| Case Type | DUSTPROOF |
| Scale Measurement Range | +400.000 TO 1200.000 DEG FAHRENHEIT |
| Bulb Quantity | 1 |
| Bulb Tip Length | 3.000 INCHES NOMINAL3.000 INCHES NOMINAL IN |
| Bulb Style | PLAIN BULB W/BENDABLE EXTENSIONPLAIN BULB W/BENDABLE EXTENSION |
| Material | PLASTIC METER CASE |
| Material | STEEL CORROSION RESISTING BULB |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 81GK-Y00U-W65Y | Weksler Glass Thermometer Corp (USA) |
| 100425N2002-21S0E18T65L PRIMARY | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| N2002BFIG7T65L | Moeller Instrument Company, Inc. Dba Moeller Instrument Co (USA) |
| 85-T8478K-54E-300-0650-400-1200F | Ashcroft Inc Dba Heise (USA) |
| Reference | Meaning |
|---|---|
| MIL-T-19646 | 4/1 Identification reference U.S. Government activity |
NSN 6685-00-491-1102 is a Thermometer,indicating,capillary, manufactured by Moeller Instrument Company, Inc. Dba Moeller Instrument Co, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-00-491-1102 has 4 manufacturer part numbers on file: 81GK-Y00U-W65Y (Weksler Glass Thermometer Corp), 100425N2002-21S0E18T65L (Moeller Instrument Company, Inc. Dba Moeller Instrument Co), N2002BFIG7T65L (Moeller Instrument Company, Inc. Dba Moeller Instrument Co), 85-T8478K-54E-300-0650-400-1200F (Ashcroft Inc Dba Heise).
Key specifications for 100425N2002-21S0E18T65L: Flexible Tube Length: 780.000 INCHES NOMINAL780.000 INCHES NOMINAL IN; Bulb Overall Length: 21.000 INCHES NOMINAL21.000 INCHES NOMINAL IN; Bulb Type: FLEXIBLE EXTENSION PLAIN; Active Portion Diameter: 0.938 INCHES NOMINAL IN. 24 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.