# NSN 4820-01-583-9959: Valve, Safety Relief

NSN 4820-01-583-9959 (also written 4820015839959; NIIN 01-583-9959) 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 Aug 2026.

## Identification

- NSN: 4820-01-583-9959 (4820015839959)
- NIIN: 01-583-9959 (015839959)
- 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 2026-10-28)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | 3805-01-573-0667, EXCAVATOR,MULTIPURPOSE,CRAWLER MOUNTED |
| SUPP | SUPPLEMENTARY FEATURES | NHA-TRACK CHAIN ADJUSTER; TRACK SYSTEM 0130 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE (SUB FOR 4255055) |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4255055R | 3PSD7 | JOHN DEERE SHARED SERVICES, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-28 | [SPE7LX22D0068/SPE7L126FAKF5](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015839959) | VALVE, SAFETY RELIEF | RDO AGRICULTURE EQUIPMENT CO | $64.73 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015839959&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015839959
- 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.

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