# NSN 4820-01-420-5205: Valve, Stop-Check

NSN 4820-01-420-5205 (also written 4820014205205; NIIN 01-420-5205) is a valve, stop-check in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-420-5205 (4820014205205)
- NIIN: 01-420-5205 (014205205)
- Item name: VALVE,STOP-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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AECS | BOLT HOLE QUANTITY | 4 |
| AGAV | END ITEM IDENTIFICATION | STRATEGIC SEALIFT CONVERSION SHIPS CLASS |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| ARKN | FLANGE SHAPE | ALL ENDS ROUND WITH HOLES |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| BBJX | MOUNTING POSITION | VERTICAL |
| CCFG | VALVE SIZE | INCHES 2.500 |
| CWCD | NOMINAL OUTSIDE DIAMETER | ALL ENDS INCHES 7.000 |
| CWCK | NOMINAL THICKNESS | ALL ENDS INCHES 0.562 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | ALL ENDS INCHES 0.750 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | ALL ENDS INCHES 5.500 |
| MATT | MATERIAL | BODY COPPER ALLOY |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2.5 IN. 224-1 | 11859 | HUNT VALVE COMPANY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2.5 IN. 224-1 | 30263 | PIMA VALVE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2.5 IN. B12251E | 11859 | HUNT VALVE COMPANY, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2.5 IN. B12251E | 30263 | PIMA VALVE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-15 | [SPE7M125P8889](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014205205) | VALVE, STOP-CHECK | HUNT VALVE COMPANY, INC. | $16,983.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014205205&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014205205
- 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/4820-01-420-5205/
JSON: https://nsnexplorer.com/api/nsn/4820-01-420-5205.json