# NSN 4820-01-115-7399: Seat, Valve

NSN 4820-01-115-7399 (also written 4820011157399; NIIN 01-115-7399) 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 Aug 2026.

## Identification

- NSN: 4820-01-115-7399 (4820011157399)
- NIIN: 01-115-7399 (011157399)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAJD | THREAD CLASS | 2A |
| AASA | THREAD LENGTH | SINGLE THREADED PORTION INCHES NOMINAL 0.210 |
| ABKW | OVERALL HEIGHT | INCHES NOMINAL 0.472 |
| ADAS | BODY INSIDE DIAMETER | INCHES NOMINAL 0.965 |
| CMLP | THREAD QUANTITY PER INCH | 20 |
| CQJX | NOMINAL THREAD SIZE | SINGLE THREADED PORTION INCHES 1.438 |
| CQKM | SEATING SURFACE SHAPE | FLAT |
| MATT | MATERIAL | OVERALL NICKEL ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | OVERALL FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281 |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | SINGLE THREADED PORTION UN |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 51145-F | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 51145-FP-180 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 51145-FP-183 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-10 | [SPE7M326V4034](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011157399) | SEAT, VALVE | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | $4,574.08 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820011157399&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011157399
- 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/4820-01-115-7399/
JSON: https://nsnexplorer.com/api/nsn/4820-01-115-7399.json
