# NSN 4820-01-055-0073: Flapper, Valve

NSN 4820-01-055-0073 (also written 4820010550073; NIIN 01-055-0073) is a flapper, valve 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: 4820-01-055-0073 (4820010550073)
- NIIN: 01-055-0073 (010550073)
- Item name: FLAPPER,VALVE
- 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | F16 A/C |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | MATERIAL,42342B CASTING; HEAT TREAT PER AMS 5383 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 42342BB | 05624 | GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 42342BB | 73760 | ITT AEROSPACE CONTROLS LLC DBA ITT AEROSPACE CONTROLS UNIT S | [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=4820010550073&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010550073
- 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/4820-01-055-0073/
JSON: https://nsnexplorer.com/api/nsn/4820-01-055-0073.json