# NSN 6680-00-403-1231: Regulator, Oxygen

NSN 6680-00-403-1231 (also written 6680004031231; NIIN 00-403-1231) is a regulator, oxygen in Federal Supply Class 6680, Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments. 4 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 6680-00-403-1231 (6680004031231)
- NIIN: 00-403-1231 (004031231)
- Item name: REGULATOR,OXYGEN
- Federal Supply Class: [FSC 6680 Liquid and Gas Flow, Liquid Level, and Mechanical Motion Measuring Instruments](https://nsnexplorer.com/fsc/6680/)
- 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 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | CIRCLE SEAL CONTROLS DIV BRUNSWICK CORP AIRCRAFT OXYGEN SERVICE TRAILER MODEL AF/M32R-3 |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | INLET PRESSURE 7000 (PSIG) MAX,OUTLET PRESSURE 3600 @(PSIG) MAX,MATL BODY AL,SEALS NEOPRENE,SEATS NYLATRON,SPRINGS ADJUSTING CD PLATED,VALVE SPRINGS STAINLESS STEEL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 500962-1 | 56190 | METADURE PARTS & SALES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LR19A-9047-1 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LR19CB2111 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| LR19CB2112 | 91816 | CIRCOR AEROSPACE, INC. DBA CIRCOR AEROSPACE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE4A5-27-T-0404 | 1 | 2026-10-20 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6680004031231&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=6680004031231&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=6680004031231
- 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/6680-00-403-1231/
JSON: https://nsnexplorer.com/api/nsn/6680-00-403-1231.json
