# NSN 6550-00-146-4875: Sulfosalicylic Acid, Dihydrate

NSN 6550-00-146-4875 (also written 6550001464875; NIIN 00-146-4875) is a sulfosalicylic acid, dihydrate in Federal Supply Class 6550, In Vitro Diagnostic Substances, Reagents, Test Kits and Sets. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 6550-00-146-4875 (6550001464875)
- NIIN: 00-146-4875 (001464875)
- Item name: SULFOSALICYLIC ACID,DIHYDRATE
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| SUPP | SUPPLEMENTARY FEATURES | D-DAY ITEM FOR DOD |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SULFOSALICYLIC ACID DIHYDRATE ANALYZED REAGENT 4 OZ (113.4GM) |
| MDES | MEDICAL DESIGNATION AND GRADE | ANALYZED REAGENT |
| CRLK | PRIMARY CONTAINER CONTENT QUANTITY | OUNCES 4.000 OR GRAMS 113.400 |
| AGXW | PHYSICAL FORM | POWDER |
| CQCT | PRIMARY CONTAINER TYPE | BOTTLE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 247006-100G | 1FPM8 | SIGMA-ALDRICH CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 247006-100G | 54968 | SIGMA-ALDRICH, INC. DBA SIGMA-ALDRICH SALES, INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A297-100 | 22527 | FISHER SCIENTIFIC COMPANY L.L.C. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-10 | [SPE2DS26P2799](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550001464875) | SULFOSALICYLIC ACID, DIHYDRATE | MIDLAND SCIENTIFIC INC | $102.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6550001464875&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6550001464875
- 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/6550-00-146-4875/
JSON: https://nsnexplorer.com/api/nsn/6550-00-146-4875.json