# NSN 4820-01-168-3536: Valve, Regulating, Fluid Pressure

NSN 4820-01-168-3536 (also written 4820011683536; NIIN 01-168-3536) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-168-3536 (4820011683536)
- NIIN: 01-168-3536 (011683536)
- 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 B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | INCHES NOMINAL 0.250 |
| ACLK | FIRST END THREAD CLASS | 3A |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ACLS | SECOND END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACLT | SECOND END STYLE DESIGNATOR | — |
| ACMP | SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | INCHES NOMINAL 0.188 |
| ACMR | SECOND END THREAD CLASS | 3A |
| ACMS | SECOND END THREAD DIRECTION | RIGHT-HAND |
| ACTE | FIRST END SEAT ANGLE IN DEG | 37.0 |
| ACTF | SECOND END SEAT ANGLE IN DEG | 37.0 |
| ADQU | FLOW CONTROL DEVICE | DISK |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVN | REGULATION TYPE | 1ST STAGE AUTOMATIC, 2ND STAGE MANUAL |
| AEVR | VALVE LOADING METHOD | WEIGHT |
| AEVZ | MAXIMUM INLET PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) 50.0 |
| AEWA | OUTLET PRESSURE SETTING | POUNDS PER SQUARE INCH (PSI) 9.0 |
| AZKQ | TEMP RATING | FAHRENHEIT MINIMUM -65.0 AND FAHRENHEIT MAXIMUM 165.0 |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED AIR |
| SPCL | SPECIAL TEST FEATURES | SELECTED ITEM DRAWING |
| TEST | TEST DATA DOCUMENT | DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) 97942-585R786 |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | SECOND END UNIFIED NATIONAL JOINT FINE (UNJF) MODIFIED 3 TO 8-24 |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) 7 TO 16-20 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 3833-5-000 | 14923 | ACC PARTNERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 3833-5-000 | 1DRT7 | CIRCOR AEROSPACE INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 585R786 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 585R786H01 | 14923 | ACC PARTNERS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 585R786H01 | 97942 | NORTHROP GRUMMAN SYSTEMS CORPORATION DBA NORTHROP GRUMMAN SYSTEMS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| M9120DCD001 | 6L817 | NATIONAL MACHINE COMPANY DBA NMG AEROSPACE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-25 | [SPE7MX24D0028/SPE7L124F9868](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011683536) | VALVE, REGULATING, FL | TRANSAERO, INC. | $23,980.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820011683536&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011683536
- 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/4820-01-168-3536/
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