# NSN 4820-01-476-3911: Valve, Safety Relief

NSN 4820-01-476-3911 (also written 4820014763911; NIIN 01-476-3911) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-476-3911 (4820014763911)
- NIIN: 01-476-3911 (014763911)
- Item name: VALVE,SAFETY RELIEF
- Federal Supply Class: [FSC 4820 Valves, Nonpowered](https://nsnexplorer.com/fsc/4820/)
- Federal Supply Group: [FSG 48](https://nsnexplorer.com/group/48/)
- Acquisition method suffix code: AMSC C: needs engineering source approval; other sources must qualify first. (observed 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | VALVE PRIMING RELIEF |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BBSAA04SDD | 5P967 | DANTE VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BBSAA04SDD | 65079 | DANCO VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D3400 ASSY BBSAA04SDD | 5P967 | DANTE VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| D3400 ASSY BBSAA04SDD | 65079 | DANCO VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7M1-27-T-1673 | 1 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014763911&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014763911&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014763911
- 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/4820-01-476-3911/
JSON: https://nsnexplorer.com/api/nsn/4820-01-476-3911.json