# NSN 4820-00-482-8908: Valve, Check

NSN 4820-00-482-8908 (also written 4820004828908; NIIN 00-482-8908) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 10 manufacturer part numbers from 6 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-482-8908 (4820004828908)
- NIIN: 00-482-8908 (004828908)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CQJX | NOMINAL THREAD SIZE | ALL ENDS INCHES 2.915 |
| MATT | MATERIAL | BODY COPPER ALLOY 922 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AAJD | THREAD CLASS | 2A |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390, ALLOY D4 TO D TO |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 400.0 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390,ALLOY D4 TO D TO |
| MEDA | MEDIA FOR WHICH DESIGNED | FIRST RESPONSE STEAM |
| AAJF | THREAD DIRECTION | ALL ENDS RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | DISK |
| AEHZ | MAXIMUM OPERATING TEMP | FIRST RESPONSE FAHRENHEIT 425.0 |
| AEHZ | MAXIMUM OPERATING TEMP | SECOND RESPONSE FAHRENHEIT 150.0 |
| MATT | MATERIAL | FLOW CONTROL DEVICE NICKEL ALLOY 400 OR NICKEL ALLOY R-405 |
| AWLS | CONNECTION TYPE | ALL ENDS THREADED EXTERNAL TUBE |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CMLP | THREAD QUANTITY PER INCH | 10 |
| MEDA | MEDIA FOR WHICH DESIGNED | SECOND RESPONSE WATER-OIL-GAS |
| STYL | STYLE DESIGNATOR | — |
| TEST | TEST DATA DOCUMENT | SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). 03950-ACID NO.882037047 |
| THSD | THREAD SERIES DESIGNATOR | ALL ENDS UNS |
| AHNC | CONNECTION STYLE | — |
| MATT | MATERIAL | SEAT COPPER ALLOY 922 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1385721 1-1-2IN | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1385721EM0D 1-1 | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 209-7438555 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 209-7438555 ITEM V-2 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4DP2041 | 63686 | THE WALWORTH COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4DP2041-21 | 63686 | THE WALWORTH COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5399-028R-1.50IN | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 803-1385721 1-1/2IN | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 803-1385721-7 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| EA15931 | 14959 | CRANE CO DIV VALVE DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820004828908&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820004828908
- 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/4820-00-482-8908/
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