# NSN 6850-00-543-7692: Leak Detection Fluid

NSN 6850-00-543-7692 (also written 6850005437692; NIIN 00-543-7692) is a leak detection fluid in Federal Supply Class 6850, Miscellaneous Chemical Specialties. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6850-00-543-7692 (6850005437692)
- NIIN: 00-543-7692 (005437692)
- Item name: LEAK DETECTION FLUID
- Federal Supply Class: [FSC 6850 Miscellaneous Chemical Specialties](https://nsnexplorer.com/fsc/6850/)
- Federal Supply Group: [FSG 68](https://nsnexplorer.com/group/68/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | 5 GALLON PAILS, UNIT QTY, CONTAINER; |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY PKG DATA |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 372 | 03530 | AMERICAN GAS & CHEMICAL CO LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DYLON LEAK DETECTOR E 855 | 64040 | DYLON INDUSTRIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HECK/CHECK TYPE III | 24855 | THE HECKERMAN CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LEAK-TEC 372E | 03530 | AMERICAN GAS & CHEMICAL CO LTD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE4AX16D9012/SPE4A626FDUP4](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850005437692) | LEAK DETECTION FLUID | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $551.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6850005437692&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850005437692
- 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/6850-00-543-7692/
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