# NSN 4820-01-509-3133: Valve, Regulating, Fluid Pressure

NSN 4820-01-509-3133 (also written 4820015093133; NIIN 01-509-3133) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-509-3133 (4820015093133)
- NIIN: 01-509-3133 (015093133)
- 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 | — |
| ABFF | FURNISHED ITEMS | ADAPTER AND EXTERNAL SENSING LINE |
| ACKM | FIRST END CONNECTION TYPE | PLAIN FACE FLANGE |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQU | FLOW CONTROL DEVICE | DISK, FLAT |
| ADQZ | END CONNECTION QUANTITY | 2 |
| ADZH | RENEWABLE SEAT RING TYPE | WELDED |
| AEVA | OUTLET PRESSURE RANGE | POUNDS PER SQUARE INCH (PSI) 33.0 TO 55.0 |
| 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) 218.0 |
| AEWA | OUTLET PRESSURE SETTING | POUNDS PER SQUARE INCH (PSI) 33.0 |
| AEWB | OUTLET PRESSURE ACCURACY RATING | POUNDS PER SQUARE INCH (PSI) 13.000 |
| AGAV | END ITEM IDENTIFICATION | CVN 69 AND CVN 77 |
| BZRS | END CONNECTION SPEC/STD | MIL-PRF-20042 250 LB CLASS |
| CCFG | VALVE SIZE | INCHES 4.000 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 4 INCH REDUCING VALVE FOR FIRE MAIN |
| FEAT | SPECIAL FEATURES | THIS VALVE HAS MINIMUM GPM FLOW 1100 REQUIRED/1200 ACTUAL; MAXIMUM 1600 REQUIRED/1370 ACTUAL. SIMILAR TO 4820-01-198-2855 WHICH HAS A DIFFERENT STEM AND FLOW RATE OF 850 GPM |
| MATT | MATERIAL | SEAT NICKEL ALLOY R-405 |
| MATT | MATERIAL | STEM NICKEL ALLOY |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | SEAT FED SPEC SINGLE MATERIAL RESPONSE QQ-N-281, CLASS B |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED WATER, SALT |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| ZZZK | SPECIFICATION/STANDARD DATA | GOVERNMENT SPECIFICATION 81349--IL-V-2042 TO SUERSEDED TO AND PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION 81346-AST- 1370-92 |
| ZZZT | NONDEFINITIVE SPEC/STD DATA | TYPE E II |
| ZZZX | DEPARTURE FROM CITED DESIGNATOR | MODIFIED FOR 250 POUND SERVICE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 40737-2 ASSY 40737-202 | 55378 | TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 40737-2 CDS 40740 | 55378 | TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 40737-202 | 55378 | TRAC REGULATOR CO., INC. DBA TRAC REGULATOR CO INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| ASTM 1370 2DF2B MODIFIED | 81346 | AMERICAN SOCIETY FOR TESTING AND MATERIALS DBA ASTM INTERNATIONAL | [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 MODIFIED | 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 |
| --- | --- | --- | --- | --- | --- |
| 2026-10-06 | $75,485.00 | 1 | PHOENIX TRADING INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015093133) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-06 | [SPE7MC27V0068](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015093133) | VALVE, REGULATING, FLUID PRESSURE | PHOENIX TRADING INC. | $75,485.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015093133&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015093133
- 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/4820-01-509-3133/
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