# NSN 4820-01-572-9614: Valve, Safety Relief

NSN 4820-01-572-9614 (also written 4820015729614; NIIN 01-572-9614) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-01-572-9614 (4820015729614)
- NIIN: 01-572-9614 (015729614)
- 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 |
| --- | --- | --- |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 158.0 |
| AEQJ | MINIMUM OPERATING TEMP | FAHRENHEIT -4.0 |
| AGAV | END ITEM IDENTIFICATION | AER 14/02 LSD 46 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| AWLS | CONNECTION TYPE | ALL ENDS UNTHREADED INTERNAL PIPE |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | PRESSURE RELIEF VALVE, PILOT OPERATED |
| ADSU | DISK LOADING METHOD | SPRING |
| ADSY | VALVE DISCHARGE FLOW RATE | GALLONS PER MINUTE 39.7 |
| AAAR | NOMINAL PIPE SIZE ACCOMMODATED | ALL ENDS INCHES 0.385 |
| MEDA | MEDIA FOR WHICH DESIGNED | SINGLE RESPONSE OIL, HYDRAULIC |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 5075.0 |
| FEAT | SPECIAL FEATURES | SEAL MATERIAL: NITRILE; SUBPLATE MOUNTING ISO 6264, NG10 WITH .375 PORTS; INTERNAL PILOT OIL DRAIN LINE; SIMILAR TO 4820-01-139-9835 WHICH DIFFERS BY STANDARD FLOUROCARBON SEALS |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| R4V03-535-10A1 | 09990 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| R4V03-535-10A1 | 9F512 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S3-ML 2400-A SH 8/R4V03-535-10A1 | 09990 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC VALVE DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| S3-ML 2400-A SH 8/R4V03-535-10A1 | 9F512 | PARKER-HANNIFIN CORPORATION DBA PNEUTRONICS DIV HYDRAULIC PUMP DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-09-03 | $1,136.00 | 2 | 9ZPD4 | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015729614) |
| 2026-08-20 | $1,343.55 | 1 | SCOTT INDUSTRIAL SYSTEMS, INC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015729614) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-03 | [SPE7MC26V3957](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015729614) | VALVE, SAFETY RELIEF | — | $2,272.00 |
| 2026-08-20 | [SPE7MC26P3464](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015729614) | VALVE, SAFETY RELIEF | SCOTT INDUSTRIAL SYSTEMS, INC | $1,343.55 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015729614&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015729614
- 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/4820-01-572-9614/
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