# NSN 4820-01-421-0056: Valve, Regulating, Fluid Pressure

NSN 4820-01-421-0056 (also written 4820014210056; NIIN 01-421-0056) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-421-0056 (4820014210056)
- NIIN: 01-421-0056 (014210056)
- 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: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ACKM | FIRST END CONNECTION TYPE | THREADED INTERNAL BOSS |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLK | FIRST END THREAD CLASS | 2B |
| ACLL | FIRST END THREAD DIRECTION | RIGHT-HAND |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQU | FLOW CONTROL DEVICE | POPPET |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVN | REGULATION TYPE | MANUAL SINGLE STAGE |
| AGAV | END ITEM IDENTIFICATION | SHIP, OHIO SSN (TRIDENT) |
| AZKQ | TEMP RATING | FAHRENHEIT MAXIMUM 105.0 |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| MATT | MATERIAL | SEAT STEEL CORROSION RESISTING |
| THDS | THREAD SIZE AND SERIES/TYPE DESIGNATOR | FIRST END UNF 3 TO 4-16 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 54-2325T108S-004 | 5H642 | TESCOM CORP PRESSURE CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 54-2325T108SG004 | 13669 | TESCOM CORP DBA TESCOM DIV TESCOM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 54-2325T108SG004 | 5H642 | TESCOM CORP PRESSURE CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 551-6685231 | 53711 | NAVAL SEA SYSTEMS COMMAND | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-16 | $8,332.00 | 4 | CHASE SUPPLY, INC. DBA CHASE DEFENSE PARTNERS | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014210056) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-15 | [SPE7MC25P1654](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014210056) | VALVE, REGULATING, FL | CHASE SUPPLY, INC. DBA CHASE DEFENSE PARTNERS | $7,986.00 |
| 2026-09-16 | [SPE7MC26P3546](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014210056) | VALVE, REGULATING, FLUID PRESSURE | CHASE SUPPLY, INC. DBA CHASE DEFENSE PARTNERS | $33,328.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014210056&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014210056
- 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/4820-01-421-0056/
JSON: https://nsnexplorer.com/api/nsn/4820-01-421-0056.json