# NSN 6550-01-643-8384: Test Kit, E Coli Detection

NSN 6550-01-643-8384 (also written 6550016438384; NIIN 01-643-8384) is a test kit, e coli detection in Federal Supply Class 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. 7 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 6550-01-643-8384 (6550016438384)
- NIIN: 01-643-8384 (016438384)
- Item name: TEST KIT,E COLI DETECTION
- Federal Supply Class: [FSC 6550 In Vitro Diagnostic Substances, Reagents, Test Kits and Sets](https://nsnexplorer.com/fsc/6550/)
- Federal Supply Group: [FSG 65](https://nsnexplorer.com/group/65/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-11-06)
- Acquisition method code: 4

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | COLILERT -18 |
| FEAT | SPECIAL FEATURES | COLILERT-18 DETECTS BOTH TOTAL COLIFORMS AND ESCHERICHIA COLI IN WATER, OR FECAL COLIFORMS IN WASTEWATER; RESULTS IN 18 HOURS, STORE AT 2 TO 25 DEGREES C, AWAY FROM LIGHT, 20 TESTS PER PACKAGE. |
| CKTZ | TEST CAPABILITY QUANTITY | 20 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1587625 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6550NCM206684 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-00876-00 | 4HJX2 | IDEXX DISTRIBUTION, INC DBA IDEXX DISTRIBUTION, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-00876-00 | FAS33 | IDEXX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-08876-00 | 0USV5 | IDEXX LABORATORIES INC DIV WATER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-08876-00 | FAS33 | IDEXX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| COLILERT-18 | 0USV5 | IDEXX LABORATORIES INC DIV WATER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-10 | [SPE2DS26V8677](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550016438384) | TEST KIT, E COLI DETECTION | IDEXX LABORATORIES INC DIV WATER | $631.98 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6550016438384&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550016438384
- 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/6550-01-643-8384/
JSON: https://nsnexplorer.com/api/nsn/6550-01-643-8384.json