The Thermometer,indicating,capillary, cataloged under National Stock Number 6685-01-276-4840, 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 Kessler Thermometers Corporation Dba Ruttco Division. Government technical data includes 2 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 6685-01-276-4840 |
| Primary Part Number | 3320 |
| Item Name | Thermometer,indicating,capillary |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Kessler Thermometers Corporation Dba Ruttco Division |
| Status | ACTIVE |
| Bulb Overall Length | 12.000 INCHES NOMINAL IN |
| Scale Measurement Range | +0.000 TO 230.000 DEG FAHRENHEIT |
| 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 |
|---|---|
| 3320 PRIMARY | Kessler Thermometers Corporation Dba Ruttco Division (USA) |
| Reference | Meaning |
|---|---|
| A378 | 3/2 Design control — primary reference U.S. Government activity |
NSN 6685-01-276-4840 is a Thermometer,indicating,capillary, manufactured by Kessler Thermometers Corporation Dba Ruttco Division, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-276-4840 has 1 manufacturer part number on file: 3320 (Kessler Thermometers Corporation Dba Ruttco Division).
Key specifications for 3320: Bulb Overall Length: 12.000 INCHES NOMINAL IN; Scale Measurement Range: +0.000 TO 230.000 DEG FAHRENHEIT. 2 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.