The Thermostat,flow Control, cataloged under National Stock Number 6685-00-902-6773, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-902-6773 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Flow Control Device | CHOKE |
| FSC Application Data | THERMOSTATS,FLOW CONTROL |
| Spring Operated Pressure Relief | NOT PROVIDED |
| Largest Outside Diameter | 2.398 INCHES NOMINAL IN |
| Mounting Method | FLANGE |
| Valve Travel Distance | 0.310 INCHES NOMINAL IN |
| Operating Temp Rating | 165.0 FAHRENHEIT NOMINAL DEGF |
| Thermostat Type | SOLID EXPANSION |
| Usage Design | TO CONTROL ENGINE COOLANT TEMP |
| Opening Temp Rating | 145.0 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 |
| Reference | Meaning |
|---|---|
| VD10107 | 3/9 Design control — primary reference Scovill Inc |
NSN 6685-00-902-6773 is a Thermostat,flow Control, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-902-6773: Flow Control Device: CHOKE; Overall Height: 4.438 INCHES NOMINAL IN; FSC Application Data: THERMOSTATS,FLOW CONTROL; Spring Operated Pressure Relief: NOT PROVIDED. 10 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.