# NSN 6850-01-309-1813: Hardness, Indicator

NSN 6850-01-309-1813 (also written 6850013091813; NIIN 01-309-1813) is a hardness, indicator in Federal Supply Class 6850, Miscellaneous Chemical Specialties. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 6850-01-309-1813 (6850013091813)
- NIIN: 01-309-1813 (013091813)
- Item name: HARDNESS,INDICATOR
- Federal Supply Class: [FSC 6850 Miscellaneous Chemical Specialties](https://nsnexplorer.com/fsc/6850/)
- Federal Supply Group: [FSG 68](https://nsnexplorer.com/group/68/)
- Acquisition method suffix code: AMSC Z: a commercial, nondevelopmental or off-the-shelf item. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | RED CRYSTALLINE POWDER; 100 PILLOWS PER PACKAGE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 851-99 | 91224 | HACH COMPANY DBA HACH CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 851-99 | Z4053 | THERMO FISHER SCIENTIFIC PTY LTD THERMO FISHER SCIENTIFIC AUSTRALIA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-27 | [SPE4AX26D9000/SPE4A727FA0H1](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850013091813) | HARDNESS, INDICATOR | ASRC FEDERAL FACILITIES LOGISTICS, LLC | $290.29 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6850013091813&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6850013091813
- 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/6850-01-309-1813/
JSON: https://nsnexplorer.com/api/nsn/6850-01-309-1813.json