# NSN 4820-01-478-5457: Valve, Check

NSN 4820-01-478-5457 (also written 4820014785457; NIIN 01-478-5457) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 1 supplier are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-01-478-5457 (4820014785457)
- NIIN: 01-478-5457 (014785457)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AEQJ | MINIMUM OPERATING TEMP | FAHRENHEIT 775.0 |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| CCFG | VALVE SIZE | INCHES 4.000 |
| CSDC | OPENING PRESSURE SETTING | POUNDS PER SQUARE INCH 460.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SWING CHECK VALVE |
| MATT | MATERIAL | BODY STEEL UNS J92710 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD 1ST MATERIAL RESPONSE AST-A35 TO CF8C |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| F12-1114C-15MY | 57574 | VELAN VALVE CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| F12-1114C-15MY-7490-725 | 57574 | VELAN VALVE CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| F12-1114C-15MYG DWG 7490-725 | 57574 | VELAN VALVE CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| P4-47661-G | 57574 | VELAN VALVE CORP. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-1443 | 2 | 2026-11-16 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014785457&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014785457&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014785457
- 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/4820-01-478-5457/
JSON: https://nsnexplorer.com/api/nsn/4820-01-478-5457.json