# NSN 4820-01-506-4086: Stem, Fluid Valve

NSN 4820-01-506-4086 (also written 4820015064086; NIIN 01-506-4086) is a stem, fluid valve in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-506-4086 (4820015064086)
- NIIN: 01-506-4086 (015064086)
- Item name: STEM,FLUID 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CXBX | VALVE SIZE FOR WHICH DESIGNED | INCHES 0.5000 |
| CYCB | STEM ACTUATING END TYPE | THREADED EXTERNALLY |
| FEAT | SPECIAL FEATURES | NAME ASSIGNED BY MFG. IS STEM (STOP) |
| MATT | MATERIAL | NICKEL ALLOY |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 4.4531 |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | ASSN STD SINGLE MATERIAL RESPONSE AST- 164 OR MIL SPEC SINGLE MATERIAL RESPONSE QQ-N-281 |
| AGAV | END ITEM IDENTIFICATION | 1/2 INCH STOP CHECK VALVE |
| BTNZ | VALVE TYPE FOR WHICH DESIGNED | STOP-CHECK |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4384536 | 80064 | NAVAL SHIP SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 803-4384536-3XXX-90 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 803-4384536-3XXX-90 | 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 |
| --- | --- | --- | --- | --- |
| 2026-09-02 | [SPE7M226V3387](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015064086) | STEM, FLUID VALVE | BEC SYSTEMS LLC DBA BEC MACHINE PRODUCTS | $2,463.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015064086&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015064086
- 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/4820-01-506-4086/
JSON: https://nsnexplorer.com/api/nsn/4820-01-506-4086.json