# NSN 4820-01-419-6964: Valve, Check

NSN 4820-01-419-6964 (also written 4820014196964; NIIN 01-419-6964) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-419-6964 (4820014196964)
- NIIN: 01-419-6964 (014196964)
- Item name: VALVE,CHECK
- 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 |
| --- | --- | --- |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 160.0 |
| AEQJ | MINIMUM OPERATING TEMP | FAHRENHEIT -80.0 |
| AGAV | END ITEM IDENTIFICATION | AIRCRAFT,AIRLIFTER C-17A |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE FUEL/OIL, HYDROCARBON |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 17B6D1399 | 88277 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 17B6D1399-1 | 88277 | THE BOEING COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 48C143-1 | 82829 | ALLEN AIRCRAFT PRODUCTS INC | [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=4820014196964&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014196964
- 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.

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