# NSN 4820-01-140-1810: Valve, Regulating, Fluid Pressure

NSN 4820-01-140-1810 (also written 4820011401810; NIIN 01-140-1810) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 1 supplier are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-140-1810 (4820011401810)
- NIIN: 01-140-1810 (011401810)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAHF | FIRST END FLANGE OUTSIDE DIAMETER | INCHES NOMINAL 7.688 |
| AAQL | BODY STYLE | — |
| ACKM | FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACKT | FIRST END FLANGE SHAPE STYLE | — |
| ACKU | FIRST END FLANGE THICKNESS | INCHES NOMINAL 1.000 |
| ACKZ | FIRST END BOLT HOLE QUANTITY | 8 |
| ACLA | FIRST END BOLT HOLE DIAMETER | INCHES NOMINAL 0.500 |
| ACLB | FIRST END BOLT CIRCLE DIAMETER | INCHES NOMINAL 8.500 |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQL | FACE TO FACE DISTANCE | INCHES NOMINAL 14.500 |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVA | OUTLET PRESSURE RANGE | POUNDS PER SQUARE INCH (PSI) 25.0 TO 60.0 |
| AEVN | REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| AEVR | VALVE LOADING METHOD | SPRING |
| MATT | MATERIAL | STEM NICKEL ALLOY |
| MATT | MATERIAL | BODY COPPER ALLOY 922 |
| MATT | MATERIAL | FLOW CONTROL DEVICE NICKEL ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | STEM FED SPEC SINGLE MATERIAL RESPONSE QQ-N-288, CO- B |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | FLOW CONTROL DEVICE FED SPEC SINGLE MATERIAL RESPONSE QQ-N-288, CO- A |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 30 4IN N586 25T | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| N-586 4IN 25T60PSI | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| YB2310M722 | 35795 | LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC | [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=4820011401810&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011401810
- 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/4820-01-140-1810/
JSON: https://nsnexplorer.com/api/nsn/4820-01-140-1810.json