# NSN 5331-01-277-2203: O-Ring

NSN 5331-01-277-2203 (also written 5331012772203; NIIN 01-277-2203) is an o-ring in Federal Supply Class 5331, O-Rings. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 5331-01-277-2203 (5331012772203)
- NIIN: 01-277-2203 (012772203)
- Item name: O-RING
- Federal Supply Class: [FSC 5331 O-Rings](https://nsnexplorer.com/fsc/5331/)
- Federal Supply Group: [FSG 53](https://nsnexplorer.com/group/53/)
- Acquisition method suffix code: AMSC L: annual buy value is below the screening threshold. (observed 2026-11-04)
- Acquisition method code: 3

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| A49453MZZ | 11859 | HUNT VALVE COMPANY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| A49453MZZ | 34889 | HUNT VALVE COMPANY INC DBA UNION FLONETICS | [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=5331012772203&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=5331012772203
- 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/5331-01-277-2203/
JSON: https://nsnexplorer.com/api/nsn/5331-01-277-2203.json