# NSN 4820-01-733-8593: Valve, Safety Relief

NSN 4820-01-733-8593 (also written 4820017338593; NIIN 01-733-8593) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-733-8593 (4820017338593)
- NIIN: 01-733-8593 (017338593)
- Item name: VALVE,SAFETY RELIEF
- 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 |
| --- | --- | --- |
| AEQJ | MINIMUM OPERATING TEMP | FAHRENHEIT -40.0 |
| AGAV | END ITEM IDENTIFICATION | CONSOL GSE |
| AHNC | CONNECTION STYLE | — |
| AQLR | VALVE OPERATION METHOD | HYDRAULIC |
| MATT | MATERIAL | BODY STEEL |
| MEDA | MEDIA FOR WHICH DESIGNED | OVERALL HYDRAULIC FLUID, PETROLEUM BASE |
| STYL | STYLE DESIGNATOR | — |
| THSD | THREAD SERIES DESIGNATOR | OVERALL NPTF |
| CMLP | THREAD QUANTITY PER INCH | 14 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PRESSURE/VACUUM RELIEF VALVE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 224744 | 60848 | ALLIED SYSTEMS COMPANY DBA ALLIED SYSTEMS CO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PV-05-12MP | 45681 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| PV-05-12MP | 97111 | PARKER-HANNIFIN CORPORATION DIV QUICK COUPLING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-23 | $67.82 | 15 | 7H973 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820017338593) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE7MC26V4573](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820017338593) | VALVE, SAFETY RELIEF | — | $1,017.30 |
| 2026-09-09 | [SPE7MC26P3571](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820017338593) | VALVE, SAFETY RELIEF | — | $628.31 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820017338593&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820017338593
- 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/4820-01-733-8593/
JSON: https://nsnexplorer.com/api/nsn/4820-01-733-8593.json