# NSN 4820-00-266-9519: Valve, Check

NSN 4820-00-266-9519 (also written 4820002669519; NIIN 00-266-9519) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 4 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-00-266-9519 (4820002669519)
- NIIN: 00-266-9519 (002669519)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-13)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | BODY COPPER ALLOY |
| ARKN | FLANGE SHAPE | FIRST END ROUND WITH HOLES |
| CCFG | VALVE SIZE | INCHES 2.500 |
| MATT | MATERIAL | SEAT NICKEL ALLOY |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| MATT | MATERIAL | FLOW CONTROL DEVICE NICKEL ALLOY |
| ADQU | FLOW CONTROL DEVICE | DISK |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | FIRST END INCHES 5.000 |
| CWDF | FLANGE FACE DESIGN | FIRST END PLAIN |
| STYL | STYLE DESIGNATOR | — |
| TMQY | FURNISHED ITEMS AND QUANTITY | LEVER 1 |
| CWCK | NOMINAL THICKNESS | FIRST END INCHES 0.500 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | FIRST END INCHES 0.562 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE A AND CLASS 1 |
| AWLS | CONNECTION TYPE | FIRST END FLANGE |
| AECS | BOLT HOLE QUANTITY | 6 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CWCD | NOMINAL OUTSIDE DIAMETER | FIRST END INCHES 6.125 |
| CWCF | FACE TO FACE DISTANCE | INCHES 8.312 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1281N 2 1-2IN | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1281N-212 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DD4904 | 95321 | CLOW CORP MARINE VALVE PRODUCTS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-V-17547 TYPEA CLASS 1 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MILV17547 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N8742-70 | 63686 | THE WALWORTH COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-0348 | 10 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820002669519&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820002669519&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820002669519
- 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/4820-00-266-9519/
JSON: https://nsnexplorer.com/api/nsn/4820-00-266-9519.json