# NSN 4820-00-546-1761: Valve, Restrictor Check

NSN 4820-00-546-1761 (also written 4820005461761; NIIN 00-546-1761) is a valve, restrictor check in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-546-1761 (4820005461761)
- NIIN: 00-546-1761 (005461761)
- Item name: VALVE,RESTRICTOR 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 P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADSU | DISK LOADING METHOD | SPRING |
| STYL | STYLE DESIGNATOR | — |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| AWLS | CONNECTION TYPE | FIRST END THREADED INTERNAL BOSS |
| AAJF | THREAD DIRECTION | FIRST END RIGHT-HAND |
| AAJD | THREAD CLASS | 3B |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 56446-01 | 05228 | PTI TECHNOLOGIES INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 56446-1 | 05228 | PTI TECHNOLOGIES INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 56446-1 | 64829 | ARVINMERITOR INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| G226M | 64829 | ARVINMERITOR 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=4820005461761&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820005461761
- 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/4820-00-546-1761/
JSON: https://nsnexplorer.com/api/nsn/4820-00-546-1761.json