# NSN 4820-01-425-0333: Diaphragm, Valve, Flat

NSN 4820-01-425-0333 (also written 4820014250333; NIIN 01-425-0333) is a diaphragm, valve, flat in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-425-0333 (4820014250333)
- NIIN: 01-425-0333 (014250333)
- Item name: DIAPHRAGM,VALVE,FLAT
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | AIR FORCE WEAPON SYSTEM CODE DL ENGINE AIRCRAFT F100-PW-220(F-16,F15C/D/E) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| RYLB 160 | 05624 | GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| RYLB 16D | 05624 | GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-17 | [SPE4A125G0014/SPE4A526F9206](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014250333) | DIAPHRAGM, VALVE, FLA | GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC | $9,858.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014250333&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014250333
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4820-01-425-0333/
JSON: https://nsnexplorer.com/api/nsn/4820-01-425-0333.json