The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-225-6403, 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 11 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-225-6403 |
| Primary Part Number | K35340 |
| 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 |
| Dial Diameter | 3.500 INCHES NOMINAL IN |
| Case Diameter | 3.680 INCHES NOMINAL IN |
| Actuating Medium | VAPOR |
| Scale Type | DIAL |
| Scale Measurement Range | +0.000 TO 180.000 DEG FAHRENHEIT |
| Bulb Quantity | 1 |
| Material | BRASS METER CASE |
| Material | COPPER ALLOY BULB |
| Material | ALUMINUM DIAL FACE |
| Material | BRASS SOCKET |
| 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 |
|---|---|
| K35340 PRIMARY | Tempco Inc Dba Marshalltown Tempco (USA) |
| Reference | Meaning |
|---|---|
| G70848 | 5/9 Secondary reference Liftec Inc Div Liftec, Inc. |
| 46A24000-021 | 5/9 Secondary reference The Boeing Company Div Legacy Am&m |
NSN 6685-01-225-6403 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 6685-01-225-6403 has 1 manufacturer part number on file: K35340 (Tempco Inc Dba Marshalltown Tempco).
Key specifications for K35340: Flexible Tube Length: 72.000 INCHES NOMINAL IN; Dial Diameter: 3.500 INCHES NOMINAL IN; Case Diameter: 3.680 INCHES NOMINAL IN; Actuating Medium: VAPOR. 11 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.