# NSN 4820-01-578-2281: Valve, Gate

NSN 4820-01-578-2281 (also written 4820015782281; NIIN 01-578-2281) is a valve, gate in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-01-578-2281 (4820015782281)
- NIIN: 01-578-2281 (015782281)
- Item name: VALVE,GATE
- 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 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1146-A22U .75IN | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1146-A22U 34 | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 1146-A22U P/N 1 146-A22U .75IN | 76364 | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 803-1385714-3AF MODIFIED | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE7M026V5236](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015782281) | VALVE, GATE | MILWAUKEE VALVE CO, INC DIV MILWAUKEE VALVE COMPANY, LLC | $6,629.76 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015782281&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015782281
- 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/4820-01-578-2281/
JSON: https://nsnexplorer.com/api/nsn/4820-01-578-2281.json
