# NSN 4820-01-304-2075: Valve, Safety Relief

NSN 4820-01-304-2075 (also written 4820013042075; NIIN 01-304-2075) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-304-2075 (4820013042075)
- NIIN: 01-304-2075 (013042075)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 100.0 |
| CSDC | OPENING PRESSURE SETTING | POUNDS PER SQUARE INCH 60.0 |
| STYL | STYLE DESIGNATOR | — |
| ZZZV | FSC APPLICATION DATA | MK 92,MOD 6,INTERIM SUPPORT |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1389002 | 02769 | LOCKHEED MARTIN CORPORATION DIV RMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1389002 | 56232 | LOCKHEED MARTIN CORPORATION DIV RMS - MITCHEL FIELD | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5983451 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SVSS-3016-3SS-WS-60 | 23724 | RUTHMAN PUMP AND ENGINEERING INC DBA FULFLO SPECIALTIES CO DIV FULFLO SPECIALTIES CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| SVSS-3016-WS,SET AT 60PSI | 23724 | RUTHMAN PUMP AND ENGINEERING INC DBA FULFLO SPECIALTIES CO DIV FULFLO SPECIALTIES CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| VSS-3016-WS,SET AT 60PSI | 23724 | RUTHMAN PUMP AND ENGINEERING INC DBA FULFLO SPECIALTIES CO DIV FULFLO SPECIALTIES CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-1328 | 29 | 2026-11-09 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820013042075&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820013042075&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013042075
- 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/4820-01-304-2075/
JSON: https://nsnexplorer.com/api/nsn/4820-01-304-2075.json