# NSN 4820-01-485-8821: Valve, Safety Relief

NSN 4820-01-485-8821 (also written 4820014858821; NIIN 01-485-8821) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-485-8821 (4820014858821)
- NIIN: 01-485-8821 (014858821)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 120.0 |
| AEQJ | MINIMUM OPERATING TEMP | FAHRENHEIT -25.0 |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| AZGM | MOUNTING FACILITY | PANEL |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 100.0 TO 500.0 |
| FEAT | SPECIAL FEATURES | E/I;DECONTAMINATION APPARATUS NSN 4230-01-429-5457,MOUNTING HOLE IN PANEL 1.09 INCH AND .125 INCH THICK,MOUNTING NUTS INCLUDED W/VALVE,KNOB DIA. 2.36INCH |
| MATT | MATERIAL | BODY STEEL CORROSION RESISTING |
| STYL | STYLE DESIGNATOR | — |
| TMQY | FURNISHED ITEMS AND QUANTITY | HANDLE 1 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5-45-6194 | 81361 | EDGEWOOD CHEMICAL BIOLOGICAL CENTER ECBC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 7070 PLUS 34090 | 57787 | ALLIED CANVAS PRODUCTS CORP | [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=4820014858821&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014858821
- 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/4820-01-485-8821/
JSON: https://nsnexplorer.com/api/nsn/4820-01-485-8821.json