# NSN 4820-01-579-0930: Valve, Safety Relief

NSN 4820-01-579-0930 (also written 4820015790930; NIIN 01-579-0930) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-579-0930 (4820015790930)
- NIIN: 01-579-0930 (015790930)
- 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: 4

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | NSN 2320-01-528-6294 TRUCK,TANK |
| MATT | MATERIAL | BODY STEEL |
| SFTT | SURFACE TREATMENT | LOCATION NOT OTHERWISE SPECIFIED ZINC |
| STYL | STYLE DESIGNATOR | — |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE CELSIUS 120.0 |
| AEQJ | MINIMUM OPERATING TEMP | CELSIUS -40.0 |
| AKGF | NOMINAL WIDTH | ALL ENDS INCHES 1.630 |
| AKGG | NOMINAL LENGTH | ALL ENDS INCHES 4.590 |
| AQLR | VALVE OPERATION METHOD | HYDRAULIC |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 3500.0 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | RELIEF, PILOT-OPERATED SPOOL |
| FEAT | SPECIAL FEATURES | ADJUSTMENT OPTION - FACTORY PRESET HIDDEN ADJUSTMENT; PORTING - CARTRIDGE ONLY; SEALS PRESSURE ON P ONLY- BURNA N (STD.); SPRING RANGE 10.3 TO 100.4 BAR (150 TO 1500 PSI) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| RV10-26H-0-N-15/15 | 1ET59 | FLUID SYSTEM COMPONENTS, INC. DIV FLUID SYSTEMS COMPONENTS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-10-26 | $200.00 | 2 | FLUID SYSTEM COMPONENTS, INC. DIV FLUID SYSTEMS COMPONENTS | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015790930) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-26 | [SPE7M027P0462](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015790930) | VALVE, SAFETY RELIEF | FLUID SYSTEM COMPONENTS, INC. DIV FLUID SYSTEMS COMPONENTS | $400.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015790930&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015790930
- 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/4820-01-579-0930/
JSON: https://nsnexplorer.com/api/nsn/4820-01-579-0930.json