The Thermostat,flow Control, cataloged under National Stock Number 6685-01-425-7336, 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 Cummins Inc.. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-01-425-7336 |
| Primary Part Number | CT20-182-01 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Opening Temp Rating | 180.0 FAHRENHEIT NOMINAL DEGF |
| 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 |
|---|---|
| CT20-182-01 PRIMARY | Cummins Inc. (USA) |
| CT20-182-01 PRIMARY | Caltherm Corp (USA) |
| Reference | Meaning |
|---|---|
| 3928639 | 5/1 Secondary reference Cummins Ltd |
| 1241057H1 | C/1 Advisory reference — outside the item-of-supply concept Komatsu American Intl Co |
| CT2076-02 | 5/9 Secondary reference Caltherm Corp |
| 3928639 | 5/9 Secondary reference Cummins Inc. |
NSN 6685-01-425-7336 is a Thermostat,flow Control, manufactured by Cummins Inc., classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
NSN 6685-01-425-7336 has 2 manufacturer part numbers on file: CT20-182-01 (Cummins Inc.), CT20-182-01 (Caltherm Corp).
Key specifications for CT20-182-01: Opening Temp Rating: 180.0 FAHRENHEIT NOMINAL DEGF. 1 specification is 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.