# NSN 4820-00-368-8320: Seat, Valve

NSN 4820-00-368-8320 (also written 4820003688320; NIIN 00-368-8320) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-00-368-8320 (4820003688320)
- NIIN: 00-368-8320 (003688320)
- 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 L: annual buy value is below the screening threshold. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADAR | BODY OUTSIDE DIAMETER | INCHES MINIMUM 2.247 AND INCHES MAXIMUM 2.249 |
| AJFZ | SEAT RADIUS | INCHES MINIMUM 0.005 AND INCHES MAXIMUM 0.010 |
| STYL | STYLE DESIGNATOR | — |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 1.750 AND INCHES MAXIMUM 1.751 |
| MATT | MATERIAL | OVERALL PLASTIC POLYAMIDE NYLON |
| CQKM | SEATING SURFACE SHAPE | RADIAL |
| ABKW | OVERALL HEIGHT | INCHES MINIMUM 0.090 AND INCHES MAXIMUM 0.093 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 185646-0081 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 233989PC19 | 99657 | MAROTTA CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-09 | [SPE7L326P5795](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003688320) | SEAT, VALVE | MAROTTA CONTROLS INC | $9,474.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820003688320&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003688320
- 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/4820-00-368-8320/
JSON: https://nsnexplorer.com/api/nsn/4820-00-368-8320.json