# NSN 4820-00-304-3931: Seat, Valve

NSN 4820-00-304-3931 (also written 4820003043931; NIIN 00-304-3931) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-00-304-3931 (4820003043931)
- NIIN: 00-304-3931 (003043931)
- 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 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADAS | BODY INSIDE DIAMETER | INCHES NOMINAL 0.375 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.244 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES NOMINAL 0.873 |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| STYL | STYLE DESIGNATOR | — |
| MATT | MATERIAL | OVERALL PLASTIC POLYAMIDE NYLON |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 255751PC7 | 43689 | HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 255753PC7 | 43689 | HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 255773PC7 | 43689 | HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $26.85 | 292 | DISCOVERY CORPORATION | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003043931) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7M326V4657](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003043931) | SEAT, VALVE | — | $7,840.20 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820003043931&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003043931
- 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/4820-00-304-3931/
JSON: https://nsnexplorer.com/api/nsn/4820-00-304-3931.json