# NSN 4820-01-062-9354: Seat, Valve

NSN 4820-01-062-9354 (also written 4820010629354; NIIN 01-062-9354) 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 Nov 2026.

## Identification

- NSN: 4820-01-062-9354 (4820010629354)
- NIIN: 01-062-9354 (010629354)
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ABKK | FLANGE DIAMETER | INCHES NOMINAL 4.252 |
| ADAR | BODY OUTSIDE DIAMETER | INCHES NOMINAL 4.225 |
| ADAS | BODY INSIDE DIAMETER | INCHES NOMINAL 2.830 |
| AJRF | FLANGE SEAT TO DISK END HEIGHT | INCHES NOMINAL 1.005 |
| AJRM | UNDER FLANGE HEIGHT | INCHES NOMINAL 2.995 |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | OVERALL NICKEL ALLOY 600 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1386F25 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1386F25P19 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1387F94H01 | 90099 | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-04 | [SPE4A122G0004/SPE4A627F2304](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010629354) | SEAT, VALVE | NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MARINE SYSTEMS | $159,935.58 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820010629354&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820010629354
- 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/4820-01-062-9354/
JSON: https://nsnexplorer.com/api/nsn/4820-01-062-9354.json