# NSN 4820-00-405-1807: Seat, Valve

NSN 4820-00-405-1807 (also written 4820004051807; NIIN 00-405-1807) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-00-405-1807 (4820004051807)
- NIIN: 00-405-1807 (004051807)
- 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 2026-10-24)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AJSG | SEAT ANGLE IN DEG | NOMINAL 45.000 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 0.309 AND INCHES MAXIMUM 0.310 |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.038 AND INCHES MAXIMUM 0.040 |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| MATT | MATERIAL | OVERALL PLASTIC POLYAMIDE NYLON |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 0.093 AND INCHES MAXIMUM 0.094 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 180334 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4820PL1256870 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| CS4820-SR-0719 | 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/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-23 | [SPE7M127P0786](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820004051807) | SEAT, VALVE | MAROTTA CONTROLS INC | $66,256.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820004051807&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820004051807
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- USAspending contract actions (each award above links to its record)
- 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/4820-00-405-1807/
JSON: https://nsnexplorer.com/api/nsn/4820-00-405-1807.json
