# NSN 6550-01-681-8593: Test Kit, E Coli Detection

NSN 6550-01-681-8593 (also written 6550016818593; NIIN 01-681-8593) is a test kit, e coli detection in Federal Supply Class 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 6550-01-681-8593 (6550016818593)
- NIIN: 01-681-8593 (016818593)
- 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 2026-10-10)
- Acquisition method code: 4

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | CULTUREMEDIUM,WATER,COLIFORM-18 |
| FEAT | SPECIAL FEATURES | COLILERT-18 DETECTS BOTH TOTAL COLIFORMS AND ESCHERICHIA COLI (E-COLI), OR FECAL COLIFORMS IN WASTEWATER. RESULTS IN 18 HOURS, STORE AT 2-25 DEGREES C, AWAY FROM LIGHT. 100 TESTS PER PACKAGE. |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | WATER QUALITY ANALYSIS COLILERT-18 100EA |
| CKTZ | TEST CAPABILITY QUANTITY | 100 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1588700 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6550NCM216778 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-27164-00 | 0USV5 | IDEXX LABORATORIES INC DIV WATER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 98-27164-00 | Z1BP5 | SAAB AUSTRALIA PTY LTD | [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/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-11 | $957.78 | 1 | IDEXX LABORATORIES INC DIV WATER | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550016818593) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-11 | [SPE2DS26P2816](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550016818593) | TEST KIT, E COLI DETECTION | IDEXX LABORATORIES INC DIV WATER | $957.78 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6550016818593&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550016818593
- 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/6550-01-681-8593/
JSON: https://nsnexplorer.com/api/nsn/6550-01-681-8593.json