# NSN 6685-01-566-7921: Thermostat, Flow Control

NSN 6685-01-566-7921 (also written 6685015667921; NIIN 01-566-7921) is a thermostat, flow control in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6685-01-566-7921 (6685015667921)
- NIIN: 01-566-7921 (015667921)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | REGULATOR AS - WATER TEMPERATURE |
| AGAV | END ITEM IDENTIFICATION | 2410-01-320-1278; TRACTOR,FULL TRACKED,LOW SPEED AND 3805-01-048-7857; LOADER,SCOOP TYPE,FULL TRACKED |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 277-2974 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 277-2974 | F8357 | UNAC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 277-2974 | U8468 | FINNING (UK) LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 417-7782 | 11083 | CATERPILLAR INC DIV CATERPILLAR DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CV178418 | KCQ24 | TVS SUPPLY CHAIN SOLUTIONS LIMITED | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-14 | [SPE7LX21D0087/SPE7LX26FB8HQ](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CONTROL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $72.96 |
| 2026-09-14 | [SPE7LX21D0087/SPE7LX26FB8HJ](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CONTROL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $72.96 |
| 2026-09-01 | [SPE7LX21D0087/SPE7LX26FB5EH](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CONTROL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $75.37 |
| 2026-08-28 | [SPE7LX21D0087/SPE7LX26FB3WA](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CONTROL | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $72.96 |
| 2026-08-20 | [SPE7LX21D0087/SPE7LX26FB1HM](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CON | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $75.37 |
| 2026-08-19 | [SPE7LX21D0087/SPE7LX26FB0ZU](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CON | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $72.96 |
| 2026-08-14 | [SPE7LX21D0087/SPE7LX26FB5N2](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CON | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $72.96 |
| 2026-08-14 | [SPE7LX21D0087/SPE7LX26FB7S4](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CON | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $75.37 |
| 2026-08-14 | [SPE7LX21D0087/SPE7LX26FB7S1](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921) | THERMOSTAT, FLOW CON | ATLANTIC DIVING SUPPLY, INC. DBA ADS | $75.37 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685015667921&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685015667921
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- All data is public U.S. government data; every row above links to its source record where one exists.

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