# NSN 6665-01-645-6815: Detector, Gas

NSN 6665-01-645-6815 (also written 6665016456815; NIIN 01-645-6815) is a detector, gas in Federal Supply Class 6665, Hazard-Detecting Instruments and Apparatus. 5 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 6665-01-645-6815 (6665016456815)
- NIIN: 01-645-6815 (016456815)
- Item name: DETECTOR,GAS
- 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 2026-10-14)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | SENSOR H2S DSK3 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | ULTIMA XE EXPLOSIVE VAPOR SENSOR ASSEMBLY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| DSK 3053-148 | 2Y614 | LINK-BELT CRANES, L.P., LLLP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DSK 3053-148 | 3GXH8 | MSA INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DSK 3053-148 REV. 6 | 55799 | MINE SAFETY APPLIANCES COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DSK 3053-148 REV. 6 | 8B9P7 | MSA SAFETY SALES, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DSK 3053-148 REV.6 | 3GXH8 | MSA INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-13 | [SPE7M127P0421](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016456815) | DETECTOR, GAS | — | $342,436.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6665016456815&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6665016456815
- 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/6665-01-645-6815/
JSON: https://nsnexplorer.com/api/nsn/6665-01-645-6815.json