# NSN 6550-01-521-0124: Potassium Hydroxide Solution

NSN 6550-01-521-0124 (also written 6550015210124; NIIN 01-521-0124) is a potassium hydroxide solution in Federal Supply Class 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. 7 manufacturer part numbers from 7 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 6550-01-521-0124 (6550015210124)
- NIIN: 01-521-0124 (015210124)
- Item name: POTASSIUM HYDROXIDE SOLUTION
- 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 |
| --- | --- | --- |
| ALCD | USAGE DESIGN | EXAMINATION OF DIRECT SMEARS FOR FUNGAL ELEMENTS |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | POTASSIUM HYDROXIDE 10% DROPPER 50S |
| FEAT | SPECIAL FEATURES | 10% POTASSIUM HYDROXIDE; DIAGNOSTIC REAGENT AND ADJUVANT; DROPPERS; 50/PKG; AIR TRANSPORTATION IS PROHIBITED. CAN BE STORED AT ROOM TEMPERATURE. |
| SUPP | SUPPLEMENTARY FEATURES | AIR TRANSPORTATION IS PROHIBITED (HAZARDOUS) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 04-0489 | 89875 | DEFENSE LOGISTICS AGENCY DIRECTORATE OF MEDICAL MATERIEL DEFENSE SUPPLY CENTER PHILADELPHIA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 14-910-65 | 22527 | FISHER SCIENTIFIC COMPANY L.L.C. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 261191 | 05545 | BECTON-DICKINSON AND CO MICROBIOLOGY SYSTEMS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 261191 | 06531 | BECTON, DICKINSON AND CO DBA BECTON DICKINSON & CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6550NCM040309 | 64616 | DEFENSE MEDICAL STANDARDIZATION BOARD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| B 4361191 | 0CG54 | INFOLAB, LLC DBA INFOLAB | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R21524 | 7V410 | REMEL INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-08 | $77.50 | 1 | MIDLAND SCIENTIFIC INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124) |
| 2026-08-31 | $77.50 | 1 | MIDLAND SCIENTIFIC INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124) |
| 2026-08-17 | $77.50 | 1 | MIDLAND SCIENTIFIC INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124) |
| 2026-08-12 | $77.50 | 2 | MIDLAND SCIENTIFIC INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE2DS26V9560](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124) | POTASSIUM HYDROXIDE SOLUTION | MIDLAND SCIENTIFIC INC | $77.50 |
| 2026-08-31 | [SPE2DS26V9337](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124) | POTASSIUM HYDROXIDE SOLUTION | MIDLAND SCIENTIFIC INC | $77.50 |
| 2026-08-17 | [SPE2DS26V8922](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124) | POTASSIUM HYDROXIDE SOLUTION | MIDLAND SCIENTIFIC INC | $77.50 |
| 2026-08-12 | [SPE2DS26V8791](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124) | POTASSIUM HYDROXIDE SOLUTION | MIDLAND SCIENTIFIC INC | $155.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6550015210124&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550015210124
- 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.

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