# NSN 4820-01-703-3266: Valve, Check

NSN 4820-01-703-3266 (also written 4820017033266; NIIN 01-703-3266) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4820-01-703-3266 (4820017033266)
- NIIN: 01-703-3266 (017033266)
- 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 2026-11-03)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CWCF | FACE TO FACE DISTANCE | INCHES 3.640 |
| STYL | STYLE DESIGNATOR | — |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 700.0 |
| AHNC | CONNECTION STYLE | — |
| AKGG | NOMINAL LENGTH | ALL ENDS INCHES 3.640 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | ALL ENDS UNTHREADED EXTERNAL TUBE |
| CCFG | VALVE SIZE | INCHES 1.0 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 5000.0 |
| CWCD | NOMINAL OUTSIDE DIAMETER | ALL ENDS INCHES 1.3350 |
| MATT | MATERIAL | OVERALL STEEL COMP 316 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE LIQUID |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| USHSSBN.125SS | 28396 | INTERNATIONAL VALVE CORP DBA CHECK-ALL VALVE MFG. CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-02 | [SPE7MC27V0407](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820017033266) | VALVE, CHECK | LARKOS PACKING AND DISTRIBUTION INC. | $676.40 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820017033266&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820017033266
- 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/4820-01-703-3266/
JSON: https://nsnexplorer.com/api/nsn/4820-01-703-3266.json