The Thermostat,flow Control, cataloged under National Stock Number 6685-00-489-5377, 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 6 specifications, cited from the U.S. Government catalog. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6685-00-489-5377 |
| Item Name | Thermostat,flow Control |
| FSC / FSG | 6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments |
| Status | ACTIVE |
| Spring Operated Pressure Relief | NOT PROVIDED |
| Largest Outside Diameter | 2.546 INCHES NOMINAL IN |
| Mounting Method | FLANGE |
| Operating Temp Rating | 140.0 FAHRENHEIT NOMINAL DEGF |
| Usage Design | VALVE CONTROL |
| Opening Temp Rating | 120.0 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 |
|---|---|
| 9425X130 | 5/9 Secondary reference U.S. Government activity |
| 1125F130 (1/8 LEAK HOLE) | 5/9 Secondary reference U.S. Government activity |
| W130775 | C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corp Dba Steam & Air Solutions Div Curtiss-Wright Steam and Air Solutions |
| W103881 | 5/9 Secondary reference U.S. Government activity |
| 1W130775 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| 1125X130 | 5/2 Secondary reference U.S. Government activity |
| W130775 | 5/9 Secondary reference U.S. Government activity |
| THT-45 | 5/9 Secondary reference U.S. Government activity |
| W130775 | 3/9 Design control — primary reference Siemens Energy, Inc. Dba Dresser-Rand |
| S-101-6A | 5/9 Secondary reference U.S. Government activity |
NSN 6685-00-489-5377 is a Thermostat,flow Control, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
Key specifications for 6685-00-489-5377: Overall Height: 3.781 INCHES NOMINAL IN; Spring Operated Pressure Relief: NOT PROVIDED; Largest Outside Diameter: 2.546 INCHES NOMINAL IN; Mounting Method: FLANGE. 6 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.