# NSN 8120-00-264-5531: Adapter, Compressed Gas Cylinder

NSN 8120-00-264-5531 (also written 8120002645531; NIIN 00-264-5531) is an adapter, compressed gas cylinder in Federal Supply Class 8120, Commercial and Industrial Gas Cylinders. 5 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 8120-00-264-5531 (8120002645531)
- NIIN: 00-264-5531 (002645531)
- Item name: ADAPTER,COMPRESSED GAS CYLINDER
- Federal Supply Class: [FSC 8120 Commercial and Industrial Gas Cylinders](https://nsnexplorer.com/fsc/8120/)
- Federal Supply Group: [FSG 81](https://nsnexplorer.com/group/81/)
- Acquisition method suffix code: AMSC G: the government has a complete data package and the rights to use it. (observed 2026-10-28)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | COPPER ALLOY |
| AAXK | GAS FOR WHICH DESIGNED | ACETYLENE |
| AQSS | SECOND END THREAD SIZE | 0.825 |
| AQST | SECOND END THREAD SERIES/TYPE DESIGNATOR | NGO |
| ACMU | SECOND END REDUCED PASSAGE INSIDE DIAMETER | INCHES NOMINAL 0.180 |
| ACSL | WRENCHING FACILITY SHAPE | HEXAGONAL |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLL | FIRST END THREAD DIRECTION | LEFT-HAND |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL GAS CYLINDER |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| AQSQ | FIRST END THREAD SIZE | 0.880 |
| AQSR | FIRST END THREAD SERIES/TYPE DESIGNATOR | NGO |
| ABFF | FURNISHED ITEMS | WRENCHING FACILITY |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL GAS CYLINDER |
| ABHP | OVERALL LENGTH | INCHES MINIMUM 2.750 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 54 | 32573 | APD CRYOGENICS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CGA V-1 | 80205 | NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES ASSOCIATION OF AMERICA INC NOT FOR RFQ OR SOLICITATION USE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| H59A | 55681 | SMITH EQUIPMENT MFG CO LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-A-16288/17 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MS35661-1 | 96906 | MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-31 | [SPE4A616D0226/SPE4A626FDK93](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8120002645531) | ADAPTER, COMPRESSED GAS CYLINDER VALVE CO | HUDSON TECHNOLOGIES COMPANY DBA HUDSON TECHNOLOGIES OF TENNESSEE | $67.19 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=8120002645531&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=8120002645531
- 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/8120-00-264-5531/
JSON: https://nsnexplorer.com/api/nsn/8120-00-264-5531.json