# NSN 4820-00-623-9541: Seat, Valve

NSN 4820-00-623-9541 (also written 4820006239541; NIIN 00-623-9541) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-00-623-9541 (4820006239541)
- NIIN: 00-623-9541 (006239541)
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-13)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | FACE COBALT ALLOY |
| ADAR | BODY OUTSIDE DIAMETER | INCHES NOMINAL 1.188 |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CQKW | BODY STEPPED INSIDE DIAMETER | FIRST STEP INCHES MINIMUM 1.625 AND INCHES MAXIMUM 1.626 |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 1.800 |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | INCHES NOMINAL 0.562 |
| AJRM | UNDER FLANGE HEIGHT | INCHES NOMINAL 0.438 |
| STYL | STYLE DESIGNATOR | — |
| MATT | MATERIAL | BODY STEEL CORROSION RESISTING |
| AJSG | SEAT ANGLE IN DEG | NOMINAL 45.000 |
| CQKW | BODY STEPPED INSIDE DIAMETER | SECOND STEP INCHES NOMINAL 0.812 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12429NPC19 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 31142 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 311420058 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4820-0089 | 16236 | DLA WEAPONS SUPPORT (COLUMBUS) DBA DLA VENDOR ITEM DRAWING (VID) DIV DOCUMENT STANDARDIZATION DIVISION (VA) | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-0364 | 16 | 2026-10-23 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820006239541&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820006239541&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820006239541
- 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/4820-00-623-9541/
JSON: https://nsnexplorer.com/api/nsn/4820-00-623-9541.json
