# NSN 6665-01-538-2224: Calibration Check Kit, Gas Monito

NSN 6665-01-538-2224 (also written 6665015382224; NIIN 01-538-2224) is a calibration check kit, gas monito in Federal Supply Class 6665, Hazard-Detecting Instruments and Apparatus. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 6665-01-538-2224 (6665015382224)
- NIIN: 01-538-2224 (015382224)
- Item name: CALIBRATION CHECK KIT,GAS MONITO
- Federal Supply Class: [FSC 6665 Hazard-Detecting Instruments and Apparatus](https://nsnexplorer.com/fsc/6665/)
- Federal Supply Group: [FSG 66](https://nsnexplorer.com/group/66/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A-CAL-40-F-10027938-00-0-100280- | 1CS58 | MINE SAFETY APPLIANCES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A-CAL-40-F-10027938-00-0-1002802 | 1CS58 | MINE SAFETY APPLIANCES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A-CAL-40-F-10027938-00-0-1002802 | 65063 | FEDERAL SIGNAL CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| THIS-IS-A-TEST-FOR-MRC-ELRN-WORK-AROUND-THIS-IS-ONLY-A-TEST- | 1CS58 | MINE SAFETY APPLIANCES COMPANY | [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=6665015382224&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665015382224
- 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.

Canonical page: https://nsnexplorer.com/nsn/6665-01-538-2224/
JSON: https://nsnexplorer.com/api/nsn/6665-01-538-2224.json