# NSN 6640-01-688-0401: Probe, PH

NSN 6640-01-688-0401 (also written 6640016880401; NIIN 01-688-0401) is a probe, ph in Federal Supply Class 6640, Laboratory Equipment and Supplies. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 6640-01-688-0401 (6640016880401)
- NIIN: 01-688-0401 (016880401)
- Item name: PROBE,PH
- Federal Supply Class: [FSC 6640 Laboratory Equipment and Supplies](https://nsnexplorer.com/fsc/6640/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-11-04)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| FEAT | SPECIAL FEATURES | LOW-MAINTENANCE PH PROBE, FACTORY-FILLED, PRE-PRESSURIZED LIQUID ELECTROLYTE ARE SUITED TO AN EXTENSIVE RANGE OF APPLICATIONS IN THE BIOTECHNOLOGY, PHARMACEUTICAL AND CHEMICAL PROCESS INDUSTRIES. |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PRE-PRESSURIZED LIQUID-ELECTROLYTE PROBE WITH TEMPERATURE SENSOR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 52005373 | 12021 | METTLER-TOLEDO LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 52005373 | 1U1C6 | METTLER-TOLEDO THORNTON, INC. DIV METTLER-TOLEDO PROCESS ANALYTICS, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-12 | [SPE2DS26V8780](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6640016880401) | PROBE, PH | EXPOTECH U.S.A., INC. DBA EXPOTECH USA INC | $1,760.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6640016880401&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6640016880401
- 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/6640-01-688-0401/
JSON: https://nsnexplorer.com/api/nsn/6640-01-688-0401.json