# NSN 4820-00-980-8475: Valve, Check

NSN 4820-00-980-8475 (also written 4820009808475; NIIN 00-980-8475) is a valve, check in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 6 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-980-8475 (4820009808475)
- NIIN: 00-980-8475 (009808475)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJF | THREAD DIRECTION | FIRST END RIGHT-HAND |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| AHNC | CONNECTION STYLE | — |
| AWLS | CONNECTION TYPE | FIRST END THREADED EXTERNAL TUBE |
| AWLS | CONNECTION TYPE | SECOND END THREADED EXTERNAL TUBE |
| CQRB | SEAT ANGLE | FIRST END DEGREES 12.0 |
| CQRB | SEAT ANGLE | SECOND END DEGREES 12.0 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | FIRST END INCHES 0.250 |
| CWFD | NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED | SECOND END INCHES 0.188 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE HYDRAULIC FLUID, PHOSPHATE-ESTER BASE |
| STYL | STYLE DESIGNATOR | — |
| AAJF | THREAD DIRECTION | SECOND END RIGHT-HAND |
| AAJD | THREAD CLASS | 3A |
| BBJX | MOUNTING POSITION | HORIZONTAL |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CMLP | THREAD QUANTITY PER INCH | 24 |
| CQJX | NOMINAL THREAD SIZE | FIRST END INCHES 0.437 |
| CQJX | NOMINAL THREAD SIZE | SECOND END INCHES 0.375 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3000.0 |
| THSD | THREAD SERIES DESIGNATOR | SECOND END UNF |
| THSD | THREAD SERIES DESIGNATOR | FIRST END UNF |
| TEST | TEST DATA DOCUMENT | DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) 99240-2C5956 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2-43923-11 | 06892 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2315-3 | 70236 | TACTAIR FLUID CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2315-3 | 99215 | KAISER FLUID TECHNOLOGIES INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2315-3 | 99473 | HAWKER PACIFIC AEROSPACE LANDING GEAR AND COMPONENTS MFG AND REPAIR | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 2C5956 | 99240 | CRISSAIR INC DIV ESCO TECHNOLOGIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M4014-3-4 | 06239 | AUSCO INC | [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=4820009808475&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820009808475
- 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/4820-00-980-8475/
JSON: https://nsnexplorer.com/api/nsn/4820-00-980-8475.json