# NSN 4820-01-573-9172: Valve, Regulating, Fluid Pressure

NSN 4820-01-573-9172 (also written 4820015739172; NIIN 01-573-9172) is a valve, regulating, fluid pressure in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-573-9172 (4820015739172)
- NIIN: 01-573-9172 (015739172)
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| MATT | MATERIAL | BODY COPPER ALLOY |
| AEVN | REGULATION TYPE | AUTOMATIC SINGLE STAGE |
| AAQL | BODY STYLE | — |
| ACKM | FIRST END CONNECTION TYPE | UNTHREADED INTERNAL PIPE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLG | FIRST END NOMINAL PIPE SIZE ACCOMMODATED | INCHES 1.500 |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| ADQZ | END CONNECTION QUANTITY | 2 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2352-1551SW | 90800 | ROMAC INDUSTRIES, INC. DBA HAYS FLUID CONTROLS DIV HAYS FLUID CONTROLS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 529-01-V0001 | 98042 | MARINETTE MARINE CORPORATION DBA MARINETTE MARINE CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| DRWG. 2759-C | 90800 | ROMAC INDUSTRIES, INC. DBA HAYS FLUID CONTROLS DIV HAYS FLUID CONTROLS DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-24 | $16,733.00 | 2 | STEALTH SUPPLY, INC. | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015739172) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE7MC26P3724](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015739172) | VALVE, REGULATING, FL | — | $33,466.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015739172&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015739172
- 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/4820-01-573-9172/
JSON: https://nsnexplorer.com/api/nsn/4820-01-573-9172.json