# NSN 4820-01-476-1855: Valve, Regulating, Fluid Pressure

NSN 4820-01-476-1855 (also written 4820014761855; NIIN 01-476-1855) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-476-1855 (4820014761855)
- NIIN: 01-476-1855 (014761855)
- 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 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ACKM | FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACKZ | FIRST END BOLT HOLE QUANTITY | 8 |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQL | FACE TO FACE DISTANCE | INCHES NOMINAL 11.625 |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM AND DISK |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVA | OUTLET PRESSURE RANGE | POUNDS PER SQUARE INCH (PSI) 50.0 TO 100.0 |
| AEVN | REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| AEVQ | VALVE STEM DESIGN | SINGLE SEAT |
| AEVR | VALVE LOADING METHOD | SPRING |
| AEVZ | MAXIMUM INLET PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) 250.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 2 1/2 INCH TRAC STYLE 'H' SEAWATER PRESSURE REDUCING VALVE |
| MATT | MATERIAL | FLOW CONTROL DEVICE RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| MATT | MATERIAL | STEM NICKEL |
| MATT | MATERIAL | SEAT NICKEL |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED WATER, SALT |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-V-2042D AND MANUFACTURERS STANDARD 81346-AST--1370-92 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE D AND STYLE 92 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 40403-206 | 55378 | TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ASTM-1370-92 | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MIL-V-2042 | 81349 | MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-29 | $20,415.50 | 1 | PIONEER INDUSTRIES, LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014761855) |
| 2026-08-20 | $18,450.60 | 1 | HOOSIER INDUSTRIAL SUPPLY, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014761855) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-29 | [SPE7M127V1023](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014761855) | VALVE, REGULATING, FLUID PRESSURE | PIONEER INDUSTRIES, LLC | $20,415.50 |
| 2026-08-20 | [SPE7MC26V4041](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014761855) | VALVE, REGULATING, FLUID PRESSURE | HOOSIER INDUSTRIAL SUPPLY, INC | $18,450.60 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014761855&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014761855
- 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/4820-01-476-1855/
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