# NSN 4820-01-100-3407: Valve, Stop-Check

NSN 4820-01-100-3407 (also written 4820011003407; NIIN 01-100-3407) is a valve, stop-check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 3 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-100-3407 (4820011003407)
- NIIN: 01-100-3407 (011003407)
- 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 |
| ADSR | BONNET TYPE | INSIDE SCREW |
| ADST | BONNET ATTACHMENT METHOD | THREADED |
| AECS | BOLT HOLE QUANTITY | 7 |
| AQLR | VALVE OPERATION METHOD | MANUAL |
| ARKN | FLANGE SHAPE | SECOND END ROUND |
| ARKN | FLANGE SHAPE | FIRST END ROUND WITH HOLES |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CBBL | FEATURES PROVIDED | BONNET PACKING |
| CCFG | VALVE SIZE | INCHES 3.000 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 50.0 |
| CWCD | NOMINAL OUTSIDE DIAMETER | FIRST END INCHES 7.500 |
| CWCD | NOMINAL OUTSIDE DIAMETER | SECOND END INCHES 6.625 |
| CWCF | FACE TO FACE DISTANCE | INCHES 7.094 |
| CWCK | NOMINAL THICKNESS | SECOND END INCHES 0.500 |
| CWCK | NOMINAL THICKNESS | FIRST END INCHES 0.438 |
| CWCQ | BOLT HOLE NOMINAL DIAMETER | FIRST END INCHES 0.531 |
| CWCT | BOLT CIRCLE NOMINAL DIAMETER | FIRST END INCHES 6.375 |
| CWDF | FLANGE FACE DESIGN | ALL ENDS PLAIN |
| MATT | MATERIAL | FLOW CONTROL DEVICE COPPER ALLOY 922 |
| MATT | MATERIAL | STEM NICKEL ALLOY |
| MATT | MATERIAL | BODY COPPER ALLOY 922 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390,ALLOY D4 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY FED SPEC SINGLE MATERIAL RESPONSE QQ-C-390,ALLOY D4 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | STEM ASSN STD SINGLE MATERIAL RESPONSE AST- B164-61 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE WATER, SALT |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 0302327310 | 09032 | TATE ANDALE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3-5121 | 91643 | SERVICE BRASS AND ALUMINUM FOUNDRY CO, INC. DBA SERVICE BRASS FITTINGS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4-470 | 09032 | TATE ANDALE, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 810-1385707 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 810-1385707-3IN | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 810-1385707-SHT2 3IN | 80064 | NAVAL SHIP SYSTEMS COMMAND | [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=4820011003407&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011003407
- 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/4820-01-100-3407/
JSON: https://nsnexplorer.com/api/nsn/4820-01-100-3407.json