# NSN 6685-01-321-3326: Thermocouple, Immersion

NSN 6685-01-321-3326 (also written 6685013213326; NIIN 01-321-3326) is a thermocouple, immersion in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6685-01-321-3326 (6685013213326)
- NIIN: 01-321-3326 (013213326)
- Item name: THERMOCOUPLE,IMMERSION
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| APQB | UNIT TYPE | PROTECTIVE TUBE |
| BKBW | IMMERSION LENGTH | INCHES NOMINAL 3.404 |
| FEAT | SPECIAL FEATURES | W/HARNESS ASSEMBLY |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2-300-957-01 | 99193 | HONEYWELL INTERNATIONAL INC. DBA HONEYWELL INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 603009-01 | 97424 | AMETEK INC DIV AEROSPACE AND DEFENSE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| TC45000-1 | 24735 | SEMCO INSTRUMENTS, INC. DBA HARCOSEMCO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-18 | $4,690.00 | 2 | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685013213326) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-18 | [SPE4A626P0ZQ1](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685013213326) | THERMOCOUPLE, IMMERSION | BROWN HELICOPTER, INC. DBA BROWN HELICOPTER INC | $9,380.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685013213326&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685013213326
- 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.

Canonical page: https://nsnexplorer.com/nsn/6685-01-321-3326/
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