# NSN 4820-00-304-3968: Seat, Valve

NSN 4820-00-304-3968 (also written 4820003043968; NIIN 00-304-3968) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-00-304-3968 (4820003043968)
- NIIN: 00-304-3968 (003043968)
- 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 2026-11-01)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADAS | BODY INSIDE DIAMETER | INCHES NOMINAL 1.000 |
| FEAT | SPECIAL FEATURES | WEAPONS SYSTEM ESSENTIAL |
| CRTL | CRITICALITY CODE JUSTIFICATION | FEAT |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.313 |
| MATT | MATERIAL | OVERALL PLASTIC POLYAMIDE NYLON |
| STYL | STYLE DESIGNATOR | — |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| ADAR | BODY OUTSIDE DIAMETER | INCHES NOMINAL 1.747 |
| AGAV | END ITEM IDENTIFICATION | SUBMARINE VERTICAL LAUNCH SYSTEM(VLS),STURGEON CLASS SSN(637),LOS ANGELES CLASS SSN(688),YELLOWSTONE CLASS AD-41 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 255753PC9 | 43689 | HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-29 | [SPE7M127V1125](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003043968) | SEAT, VALVE | DISCOVERY CORPORATION | $8,686.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820003043968&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003043968
- 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/4820-00-304-3968/
JSON: https://nsnexplorer.com/api/nsn/4820-00-304-3968.json