# NSN 4820-01-311-9491: Valve, Regulating, Fluid Pressure

NSN 4820-01-311-9491 (also written 4820013119491; NIIN 01-311-9491) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-01-311-9491 (4820013119491)
- NIIN: 01-311-9491 (013119491)
- 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 R: the government owns neither the data nor the rights, and obtaining them is judged uneconomical. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ABFF | FURNISHED ITEMS | FILTER |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLK | FIRST END THREAD CLASS | 3B |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVA | OUTLET PRESSURE RANGE | POUNDS PER SQUARE INCH (PSI) 0.0 TO 20.0 |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVS | REMOTE ACTUATION METHOD | DIAPHRAGM |
| MATT | MATERIAL | SEAT STEEL CORROSION RESISTING |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | FIRST END UNIFIED NATIONAL JOINT FINE (UNJF) 9 TO 16-18 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 5642 ITEM 17 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5655-G501 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 5655B-G501 | 22501 | HOWELL LABORATORIES INC DBA HOWELL LABORATORIES INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-26 | $2,729.75 | 26 | TRIMAN INDUSTRIES INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013119491) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-26 | [SPE7MC26V4070](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013119491) | VALVE, REGULATING, FL | TRIMAN INDUSTRIES INC | $70,973.50 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820013119491&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820013119491
- 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/4820-01-311-9491/
JSON: https://nsnexplorer.com/api/nsn/4820-01-311-9491.json