The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-166-3903, 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 Tempco Inc Dba Marshalltown Tempco. Government technical data includes 22 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-166-3903 |
| Primary Part Number | K45620 |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Tempco Inc Dba Marshalltown Tempco |
| Status | ACTIVE |
| Flexible Tube Length | 72.000 INCHES NOMINAL IN |
| Mounting Facility Type and Quantity | 3 SURFACE |
| Bulb Overall Length | 4.630 INCHES NOMINAL IN |
| Bulb Type | PLAIN RIGID |
| Active Portion Diameter | 0.562 INCHES NOMINAL IN |
| Scale Inscription/background Color | BLACK MARKING ON WHITE BACKGROUND |
| Scale Smallest Increment | 5.0 DEG FAHRENHEIT |
| Bulb Connection Type | UNION |
| Dial Diameter | 4.500 INCHES NOMINAL IN |
| Style Designator | BULB W/SOCKET |
| Case Diameter | 5.880 INCHES NOMINAL IN |
| Actuating Medium | VOLATILE LIQUID |
| Pointer/pen Type and Quantity | 1 INDICATING SINGLE |
| Active Portion Length | 3.880 INCHES NOMINAL IN |
| Extension Neck Length | 0.750 INCHES NOMINAL IN |
| Scale Type | CONCENTRIC DIAL |
| Scale Measurement Range | -40.000 TO 120.000 DEG FAHRENHEIT |
| Bulb Quantity | 1 |
| Bulb Tip Length | 3.880 INCHES NOMINAL IN |
| Bulb Style | PLAIN BULB W/RIGID EXTENSION |
| Material | BRASS BULB |
| Material | IRON CAST ALLOY 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 |
| Part Number | Manufacturer |
|---|---|
| K45620 PRIMARY | Tempco Inc Dba Marshalltown Tempco (USA) |
| Reference | Meaning |
|---|---|
| G70884 | 5/9 Secondary reference Liftec Inc Div Liftec, Inc. |
NSN 6685-01-166-3903 is a Thermometer,indicating,capillary, manufactured by Tempco Inc Dba Marshalltown Tempco, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-166-3903 has 1 manufacturer part number on file: K45620 (Tempco Inc Dba Marshalltown Tempco).
Key specifications for K45620: Flexible Tube Length: 72.000 INCHES NOMINAL IN; Mounting Facility Type and Quantity: 3 SURFACE; Bulb Overall Length: 4.630 INCHES NOMINAL IN; Bulb Type: PLAIN RIGID. 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.