# NSN 4820-01-270-4273: Valve, Safety Relief

NSN 4820-01-270-4273 (also written 4820012704273; NIIN 01-270-4273) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 8 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-270-4273 (4820012704273)
- NIIN: 01-270-4273 (012704273)
- 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 |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSR | BONNET TYPE | INSIDE SPRING |
| ADST | BONNET ATTACHMENT METHOD | UNION |
| ADSU | DISK LOADING METHOD | SPRING |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 150.0 |
| AHNC | CONNECTION STYLE | — |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | ALL ENDS UNTHREADED INTERNAL TUBE |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 75.0 TO 88.0 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | ALL ENDS INCHES 1.500 |
| MATT | MATERIAL | STEM STEEL CORROSION RESISTING |
| MATT | MATERIAL | BODY COPPER ALLOY |
| MATT | MATERIAL | SEAT STEEL CORROSION RESISTING |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE WATER-OIL-GAS |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| BCMAA06SGG | 5P967 | DANTE VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BCMAA06SGG | 65079 | DANCO VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| BESAA06SGG | 5P967 | DANTE VALVE COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DA-40G 1.5X1.5IN | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DA-40G 1.5X1.5IN 75T88PSI | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DA-40G 1.5X1.5IN 75T88PSI | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NMP1184 | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| NMP1184 | 75954 | KUNKLE INDUSTRIES INC LONERGAN VALVE DIV | [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=4820012704273&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820012704273
- 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/4820-01-270-4273/
JSON: https://nsnexplorer.com/api/nsn/4820-01-270-4273.json