# NSN 4820-01-541-5446: Valve, Check

NSN 4820-01-541-5446 (also written 4820015415446; NIIN 01-541-5446) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-541-5446 (4820015415446)
- NIIN: 01-541-5446 (015415446)
- 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 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 |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADSU | DISK LOADING METHOD | SPRING |
| ADZH | RENEWABLE SEAT RING TYPE | PRESSED-IN |
| AGAV | END ITEM IDENTIFICATION | NEW CONSTRUCTION LCS1 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | WAFTER STYLE SWING CHECK VALVE; INAVY: 4" CHECK WAFER |
| FEAT | SPECIAL FEATURES | PRESSURE CLASS: 150; 4 INCH WAFER SWING CHECK VALVE; FLOW RATE: 1000 GPM @ 60 DEG F |
| MATT | MATERIAL | BODY STEEL |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| MATT | MATERIAL | SEAT RUBBER POLYMETHYLENE-PERFLUOROALKYLENE CLASS FKM |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- A216 WCB |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE ASSN STD SINGLE MATERIAL RESPONSE AST- A351-CF8- |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAT MFR REF SINGLE MATERIAL RESPONSE VITON |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1200-CS 4.0IN | 15645 | COOPER CAMERON CORP COOPER CAMERON VALVES DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1200-CS 4.0IN | 58568 | ENVIROVAC INC DBA MONOGRAM SYSTEMS-ROCKFORD DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4SD15CCVSR | 50AZ2 | CHAMPION VALVES INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5500447 | 47WD8 | EVAC NORTH AMERICA INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $1,824.66 | 5 | EVAC NORTH AMERICA INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015415446) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7MC26V4440](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015415446) | VALVE, CHECK | EVAC NORTH AMERICA INC | $9,123.30 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015415446&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015415446
- 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/4820-01-541-5446/
JSON: https://nsnexplorer.com/api/nsn/4820-01-541-5446.json