# NSN 4820-00-956-1413: Seat, Valve

NSN 4820-00-956-1413 (also written 4820009561413; NIIN 00-956-1413) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-00-956-1413 (4820009561413)
- NIIN: 00-956-1413 (009561413)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | FACE COBALT ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY MFR REF SINGLE MATERIAL RESPONSE 17-4H,AR-CO STEEL COR |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FACE MIL SPEC SINGLE MATERIAL RESPONSE -IL-R-17131,TYE -IL-RCOCR-A |
| AJSH | SEAL ACCOMMODATION TYPE | RECESSED |
| AJSG | SEAT ANGLE IN DEG | NOMINAL 45.000 |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 1.557 AND INCHES MAXIMUM 1.567 |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | BODY STEEL |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 2.491 AND INCHES MAXIMUM 2.492 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 587-551 | 27235 | HARDIE-TYNES CO., INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 587-551 | 9E328 | STEWARD MACHINE CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 60-587PC551 | 27235 | HARDIE-TYNES CO., INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 60-606PC551 | 27235 | HARDIE-TYNES CO., INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 60-649PC551 | 27235 | HARDIE-TYNES CO., INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 60-656PC551 | 27235 | HARDIE-TYNES CO., 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=4820009561413&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820009561413
- 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/4820-00-956-1413/
JSON: https://nsnexplorer.com/api/nsn/4820-00-956-1413.json