# NSN 6685-01-658-4143: Control, Humidity

NSN 6685-01-658-4143 (also written 6685016584143; NIIN 01-658-4143) is a control, humidity in Federal Supply Class 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 6685-01-658-4143 (6685016584143)
- NIIN: 01-658-4143 (016584143)
- Item name: CONTROL,HUMIDITY
- Federal Supply Class: [FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments](https://nsnexplorer.com/fsc/6685/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 2

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | MISSLE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | HUMISTAT; (DWG TITLE) HUMISTAT MODEL 3150G |
| FEAT | SPECIAL FEATURES | THE ITEM IS SPECIFICALLY DESIGNED TO BE OR SELECTED AS BEING NUCLEAR HARD (I.E., IT WILL CONTINUE TO PERFORM ITS DESIGNED FUNCTION IN AN ENVIRONMEN CREATED BY A NUCLEAR EXPLOSION). THE ITEM DOES NOT HAVE OTHER CRITICAL FEATURES |
| NHCF | NUCLEAR HARDNESS CRITICAL FEATURE | HARDENED |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4541A43 | 1JB18 | C.L. BLANKENSHIP, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4541A43 | 56183 | TX TECHNOLOGY LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6685016584143&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6685016584143
- 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.

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