# NSN 4820-01-145-5907: Valve, Check

NSN 4820-01-145-5907 (also written 4820011455907; NIIN 01-145-5907) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 10 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-145-5907 (4820011455907)
- NIIN: 01-145-5907 (011455907)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 300.0 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | SECOND END ROUND |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| CCFG | VALVE SIZE | INCHES 4.000 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 167.0 |
| CWCD | NOMINAL OUTSIDE DIAMETER | ALL ENDS INCHES 4.636 |
| CWCF | FACE TO FACE DISTANCE | INCHES 3.885 |
| CWCK | NOMINAL THICKNESS | SECOND END INCHES 0.233 |
| CWCK | NOMINAL THICKNESS | FIRST END INCHES 0.233 |
| CWDF | FLANGE FACE DESIGN | ALL ENDS PLAIN |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE AIR |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| STYL | STYLE DESIGNATOR | — |
| SUPP | SUPPLEMENTARY FEATURES | APPLICABLE TO KC-135R ACFT |
| ZZZV | FSC APPLICATION DATA | AUXILIARY POWER UNIT(APU) CAGEC 79318 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 420945 | 79318 | MEGGITT NORTH HOLLYWOOD INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 420945-1 | 79318 | MEGGITT NORTH HOLLYWOOD INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 420945-2 | 79318 | MEGGITT NORTH HOLLYWOOD INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 420945-4 | 79318 | MEGGITT NORTH HOLLYWOOD INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 458-50004-1 | 82918 | THE BOEING COMPANY DIV LEGACY WICHITA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 458-50004-502 | 82918 | THE BOEING COMPANY DIV LEGACY WICHITA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 458-50004-503 | 75201 | BAHR MACHINE COMPANY INC DBA BAHR MACHINE CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 458-50004-503 | 79318 | MEGGITT NORTH HOLLYWOOD INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 458-50004-503 | 82918 | THE BOEING COMPANY DIV LEGACY WICHITA | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8100-1 | 75201 | BAHR MACHINE COMPANY INC DBA BAHR MACHINE CO | [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=4820011455907&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011455907
- 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/4820-01-145-5907/
JSON: https://nsnexplorer.com/api/nsn/4820-01-145-5907.json