# NSN 4820-01-369-2979: Valve, Regulating, System Pressure

NSN 4820-01-369-2979 (also written 4820013692979; NIIN 01-369-2979) is a valve, regulating, system pressure in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-369-2979 (4820013692979)
- NIIN: 01-369-2979 (013692979)
- Item name: VALVE,REGULATING,SYSTEM PRESSURE
- 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 |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ACSX | OFFSET DISTANCE | INCHES NOMINAL 0.500 |
| ADQL | FACE TO FACE DISTANCE | INCHES NOMINAL 3.650 |
| ADQM | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | INCHES NOMINAL 3.020 |
| ADQU | FLOW CONTROL DEVICE | DISK, CIRCULAR |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVN | REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| AEVR | VALVE LOADING METHOD | DOME |
| AEVZ | MAXIMUM INLET PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) 100.0 |
| AGAV | END ITEM IDENTIFICATION | M109A6 |
| MATT | MATERIAL | BODY COPPER ALLOY |
| MEDA | MEDIA FOR WHICH DESIGNED | AIR |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12553833 | 19200 | COMBAT CAPABILITIES DEVELOPMENT COMMAND (CCDC) ARMAMENTS CENTER DBA CCDC DIV LOGISTICS RESEARCH AND ENGINEERING DIRECTORATE | [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=4820013692979&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013692979
- 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/4820-01-369-2979/
JSON: https://nsnexplorer.com/api/nsn/4820-01-369-2979.json