# NSN 6810-01-643-1973: Ion Exchange Compound

NSN 6810-01-643-1973 (also written 6810016431973; NIIN 01-643-1973) is an ion exchange compound in Federal Supply Class 6810, Chemicals. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 6810-01-643-1973 (6810016431973)
- NIIN: 01-643-1973 (016431973)
- Item name: ION EXCHANGE COMPOUND
- Federal Supply Class: [FSC 6810 Chemicals](https://nsnexplorer.com/fsc/6810/)
- Federal Supply Group: [FSG 68](https://nsnexplorer.com/group/68/)
- Acquisition method suffix code: AMSC H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-14)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGZX | BASIC INGREDIENT | STYRENE-DIVINYL BENZENE |
| CLFL | RESINOUS COMPOUND EXCHANGE TYPE | CATION |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | AMBERLITE MB20 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| AMBERLITE MB20 | 77902 | ROHM AND HAAS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-13 | [SPE4A527P0592](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6810016431973) | ION EXCHANGE COMPOU | — | $6,900.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6810016431973&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6810016431973
- 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/6810-01-643-1973/
JSON: https://nsnexplorer.com/api/nsn/6810-01-643-1973.json