# NSN 6550-01-574-6831: Chlorine Test Tablets

NSN 6550-01-574-6831 (also written 6550015746831; NIIN 01-574-6831) is a chlorine test tablets 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 Sep 2026.

## Identification

- NSN: 6550-01-574-6831 (6550015746831)
- NIIN: 01-574-6831 (015746831)
- Item name: CHLORINE TEST TABLETS
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CQCT | PRIMARY CONTAINER TYPE | PACKAGE |
| CSCW | TOTAL PRIMARY CONTAINER QUANTITY | 100 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | CHLORINE TABS NO.1 DIETHYL-P-PHENYLENEDIAMINE 100TT |
| FEAT | SPECIAL FEATURES | DIETHYL-P-PHENYLENDEDIAMINE (DPD) CHLORINE TABS NO.1; USED TO MEASUE FREE AVAILABLE CHLORINE IN WATER; RANGE: 0 TO 10PPM FOR APPROXIMATELY 10ML SAMPLE SIZE; SHELF LIFE APPROX. 3 YEARS; INSTRUMENT GRADE; FOR USE WITH LAMOTTE COLORIMETERS AND SPECTROPHOTOMETERS; PKG/100 TABLETS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 11980 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1221U51 | 59728 | ARTHUR H. THOMAS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6515NCM093419 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6903A-J | 34807 | LA MOTTE CHEMICAL PRODUCTS CO INC, THE DBA LA MOTTE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9864H10 | 59728 | ARTHUR H. THOMAS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DPD CHLORINE TABLETS | 59728 | ARTHUR H. THOMAS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| WS746831 | 70784 | FORT DEFIANCE INDUSTRIES LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-15 | $18.39 | 1 | SZY HOLDINGS, LLC DBA SZY HOLDINGS LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015746831) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6550015746831&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015746831
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/6550-01-574-6831/
JSON: https://nsnexplorer.com/api/nsn/6550-01-574-6831.json