# NSN 4820-00-796-4928: Valve, Check

NSN 4820-00-796-4928 (also written 4820007964928; NIIN 00-796-4928) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 5 suppliers are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4820-00-796-4928 (4820007964928)
- NIIN: 00-796-4928 (007964928)
- 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 2026-11-06)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE OXYGEN, LIQUID |
| STYL | STYLE DESIGNATOR | — |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.500 |
| MEDA | MEDIA FOR WHICH DESIGNED | OVERALL OXYGEN, LIQUID |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL PIPE |
| BBJX | MOUNTING POSITION | HORIZONTAL OR VERTICAL |
| THSD | THREAD SERIES DESIGNATOR | SECOND END ANPT |
| FEAT | SPECIAL FEATURES | ACTION ID 45422425 |
| MATT | MATERIAL | OVERALL ALUMINUM ALLOY |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.125 |
| CQRB | SEAT ANGLE | FIRST END DEGREES 37.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.312 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | OVERALL INCHES 0.312 |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| AAJD | THREAD CLASS | 3A |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| AAJF | THREAD DIRECTION | SECOND END RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| AAJF | THREAD DIRECTION | FIRST END RIGHT-HAND |
| AHNC | CONNECTION STYLE | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 20C-0006-1 | 19062 | ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20C-0006-1 | 83533 | ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 21136-1 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 21136-3 | 03990 | INGERSOLL-RAND COMPANY DBA INGERSOLL-RAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 21136-3 | 04577 | MISSION SYSTEMS ORCHARD PARK INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5075 | 31441 | AMERICAN SAFETY FLIGHT SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-04 | [SPE7M025V4638](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820007964928) | VALVE, CHECK | ECI DEFENSE GROUP, INC. DIV ECI-GA | $3,072.03 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820007964928&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820007964928
- 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/4820-00-796-4928/
JSON: https://nsnexplorer.com/api/nsn/4820-00-796-4928.json