# NSN 4820-01-558-4417: Valve, Safety Relief

NSN 4820-01-558-4417 (also written 4820015584417; NIIN 01-558-4417) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Aug 2026.

## Identification

- NSN: 4820-01-558-4417 (4820015584417)
- NIIN: 01-558-4417 (015584417)
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| STYL | STYLE DESIGNATOR | — |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC OR MANUAL |
| AGAV | END ITEM IDENTIFICATION | 17756 TYPE 6, 72KW, 8 GAL. WATER HEATER FOR LHD8 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 1 INCH RELIEF VALVE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 17756 PC 7 | 19857 | THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HSRV-8-125 | 19857 | THE ELECTRIC HEATER CO DBA HUBBELL ELECTRIC HEATER CO. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Price history

Newest first.

| Date | Unit price | Quantity | Supplier | Agency | Source |
| --- | --- | --- | --- | --- | --- |
| 2026-08-28 | $6,175.64 | 11 | PIONEER INDUSTRIES, LLC | — | [record](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015584417) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-08-28 | [SPE7MC26V4222](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015584417) | VALVE, SAFETY RELIEF | PIONEER INDUSTRIES, LLC | $67,932.04 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015584417&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015584417
- 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/4820-01-558-4417/
JSON: https://nsnexplorer.com/api/nsn/4820-01-558-4417.json