# NSN 4820-01-189-8416: Valve, Regulating, Fluid Pressure

NSN 4820-01-189-8416 (also written 4820011898416; NIIN 01-189-8416) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-189-8416 (4820011898416)
- NIIN: 01-189-8416 (011898416)
- Item name: VALVE,REGULATING,FLUID PRESSURE
- 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 |
| --- | --- | --- |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE ASSEMBLY - REGULATOR, ABS AIR PRESSURE |
| FEAT | SPECIAL FEATURES | ASSEMBLY CONSISTS OF: VALVE, P/N 212368 (QTY 1); STEM, P/N 215282 (QTY 1) |
| SUPP | SUPPLEMENTARY FEATURES | RIVET IN PLACE TO PRODUCE AIR-TIGHT SEAL (MUST WITHSTAND 60 PSI DIFFERENTIAL WITH ZERO LEAKAGE); DO NOT BEND OR DISTORT PARTS OR SCAR RUBBER |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 215177 | 81982 | HYDRO-AIRE AEROSPACE CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 215177 | 98748 | UNITED STATES AIR FORCE DBA TINKER AIR FORCE BASE DIV DEPARTMENT OF THE AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820011898416&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011898416
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/4820-01-189-8416/
JSON: https://nsnexplorer.com/api/nsn/4820-01-189-8416.json