# NSN 6685-00-377-3497: Thermostat, Flow Control

NSN 6685-00-377-3497 (also written 6685003773497; NIIN 00-377-3497) is a thermostat, flow control in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 9 manufacturer part numbers from 8 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 6685-00-377-3497 (6685003773497)
- NIIN: 00-377-3497 (003773497)
- Item name: THERMOSTAT,FLOW CONTROL
- Federal Supply Class: [FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments](https://nsnexplorer.com/fsc/6685/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC Q: the government lacks adequate data or rights, but breakout to competition is expected. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AXGY | MOUNTING METHOD | FLANGE |
| ADQU | FLOW CONTROL DEVICE | CHOKE |
| AWTN | OPERATING TEMP RATING | FAHRENHEIT NOMINAL 186.0 |
| ZZZV | FSC APPLICATION DATA | HEAT EXCHANGER ASSY,DIESEL ENGINE |
| AMSD | VALVE TRAVEL DISTANCE | INCHES NOMINAL 0.310 |
| AGWM | LARGEST OUTSIDE DIAMETER | INCHES MINIMUM 2.870 AND INCHES MAXIMUM 2.878 |
| AWTM | OPENING TEMP RATING | FAHRENHEIT NOMINAL 173.0 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 3.125 |
| AWPA | THERMOSTAT TYPE | SOLID EXPANSION |
| ALCD | USAGE DESIGN | COOL OIL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 457070 | 78493 | STANDARD-THOMSON CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4A357-005 | 78493 | STANDARD-THOMSON CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5172141 | 24617 | GENERAL MOTORS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5172141 | 72582 | ROLLS-ROYCE SOLUTIONS AMERICA INC DBA ROLLS-ROYCE SOLUTIONS AMERICA INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5183139 | 71934 | GENERAL MOTORS CORP ROCHESTER PRODUCTS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PC5172141 | C7432 | POWER COMPONENTS (DEUTSCHLAND) GMBH | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VD10313 | 53705 | SCOVILL INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VD10313 | 55193 | VERNATHERM LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VD10313 | 81381 | STEWART & STEVENSON POWER PRODUCTS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685003773497&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685003773497
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- All data is public U.S. government data; every row above links to its source record where one exists.

Canonical page: https://nsnexplorer.com/nsn/6685-00-377-3497/
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