# NSN 4820-00-289-4140: Valve, Safety Relief

NSN 4820-00-289-4140 (also written 4820002894140; NIIN 00-289-4140) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 5 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-289-4140 (4820002894140)
- NIIN: 00-289-4140 (002894140)
- 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 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADSU | DISK LOADING METHOD | SPRING |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY |
| SFTT | SURFACE TREATMENT | LOCATION NOT OTHERWISE SPECIFIED ANODIZE |
| AHNC | CONNECTION STYLE | — |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UN |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 1.062 |
| AZGM | MOUNTING FACILITY | THREADED FASTENER |
| STYL | STYLE DESIGNATOR | — |
| CMLP | THREAD QUANTITY PER INCH | 12 |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 2300.0 TO 3850.0 |
| AAJD | THREAD CLASS | 3B |
| AAJF | THREAD DIRECTION | ALL ENDS RIGHT-HAND |
| CBBL | FEATURES PROVIDED | PRESSURE TIGHT OUTLET SIDE |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED INTERNAL BOSS |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4820PL1150175 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6279-12CD | 59375 | RGI INC DBA RGI INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA12-06A | 00021 | BENBOW MFG CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AA12-06A | 49200 | PROSPERITY A DIV OF AMETEK INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AN6279 | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AN6279-12CD | 88044 | AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE | [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=4820002894140&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820002894140
- 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/4820-00-289-4140/
JSON: https://nsnexplorer.com/api/nsn/4820-00-289-4140.json