# NSN 4820-00-444-9775: Valve, Regulating, Fluid Pressure

NSN 4820-00-444-9775 (also written 4820004449775; NIIN 00-444-9775) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4820-00-444-9775 (4820004449775)
- NIIN: 00-444-9775 (004449775)
- 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 2026-10-16)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | THIRD END UNIFIED NATIONAL JOINT FINE (UNJF) 0.438-20 |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) MODIFIED 0.562-18 |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | THREADED INTERNAL BOSS |
| ACLT | SECOND END STYLE DESIGNATOR | — |
| AEVZ | MAXIMUM INLET PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) 45.0 |
| AZKQ | TEMP RATING | CELSIUS MAXIMUM 50.0 |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) 0.750-16 |
| AAJF | THREAD DIRECTION | THIRD END RIGHT-HAND |
| AAQL | BODY STYLE | — |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ACLK | FIRST END THREAD CLASS | 3B |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS |
| ACMX | THIRD END RELATIONSHIP WITH PRECEDING ENDS | NOT IDENTICAL WITH FIRST OR SECOND END |
| ACMY | THIRD END CONNECTION TYPE | THREADED INTERNAL BOSS |
| AEVA | OUTLET PRESSURE RANGE | POUNDS PER SQUARE INCH (PSI) 0.0 TO 45.0 |
| AEVN | REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| ACMR | SECOND END THREAD CLASS | 3B |
| ACMZ | THIRD END STYLE DESIGNATOR | — |
| ADQZ | END CONNECTION QUANTITY | 3 |
| AEVR | VALVE LOADING METHOD | SPRING |
| ACNY | THIRD END THREAD CLASS | 3B |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 101800-50 | 96124 | TRANSDIGM INC DIV AERO FLUID PRODUCTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4400B1271 | 87557 | LOCKHEED CORP LOCKHEED ELECTRONICS CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 4400B1271 | 94117 | BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. DBA BAE SYSTEMS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE7MC-27-T-0754 | 1 | 2026-10-26 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820004449775&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820004449775&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820004449775
- 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/4820-00-444-9775/
JSON: https://nsnexplorer.com/api/nsn/4820-00-444-9775.json