# NSN 4820-00-457-1589: Seat, Valve

NSN 4820-00-457-1589 (also written 4820004571589; NIIN 00-457-1589) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-457-1589 (4820004571589)
- NIIN: 00-457-1589 (004571589)
- Item name: SEAT,VALVE
- 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 H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 0.187 AND INCHES MAXIMUM 0.188 |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| AJSG | SEAT ANGLE IN DEG | MINIMUM 89.000 AND MAXIMUM 91.000 |
| MATT | MATERIAL | BODY PLASTIC |
| STYL | STYLE DESIGNATOR | — |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 0.429 AND INCHES MAXIMUM 0.430 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.048 AND INCHES MAXIMUM 0.050 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 182063-0081 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 182063-81 | 99657 | MAROTTA CONTROLS 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=4820004571589&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820004571589
- 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/4820-00-457-1589/
JSON: https://nsnexplorer.com/api/nsn/4820-00-457-1589.json