# NSN 4820-00-334-3829: Seat, Valve

NSN 4820-00-334-3829 (also written 4820003343829; NIIN 00-334-3829) is a seat, valve in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-00-334-3829 (4820003343829)
- NIIN: 00-334-3829 (003343829)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-23)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | OVERALL NICKEL ALLOY R-405 |
| THSD | THREAD SERIES DESIGNATOR | SINGLE THREADED PORTION UN |
| CQKM | SEATING SURFACE SHAPE | ANGULAR |
| CMLP | THREAD QUANTITY PER INCH | 16 |
| AASA | THREAD LENGTH | SINGLE THREADED PORTION INCHES MINIMUM 0.360 AND INCHES MAXIMUM 0.391 |
| AJSG | SEAT ANGLE IN DEG | NOMINAL 5.000 |
| AJRM | UNDER FLANGE HEIGHT | INCHES MINIMUM 0.360 AND INCHES MAXIMUM 0.391 |
| CQJX | NOMINAL THREAD SIZE | SINGLE THREADED PORTION INCHES 0.938 |
| AAJD | THREAD CLASS | 3A |
| ADAS | BODY INSIDE DIAMETER | INCHES MINIMUM 0.750 AND INCHES MAXIMUM 0.753 |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | INCHES NOMINAL 0.203 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1849283 | 64546 | DISCOVERY CORPORATION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4820PL1244947 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C6078 | 86184 | GRISWOLD INDUSTRIES DBA CLA-VAL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| C6078E | 86184 | GRISWOLD INDUSTRIES DBA CLA-VAL CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-10 | [SPE7MX26D0044/SPE7MX26F041F](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003343829) | SEAT, VALVE | GRISWOLD INDUSTRIES DBA CLA-VAL CO | $2,275.29 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820003343829&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820003343829
- 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/4820-00-334-3829/
JSON: https://nsnexplorer.com/api/nsn/4820-00-334-3829.json