# NSN 4820-01-554-5686: Valve, Safety Relief

NSN 4820-01-554-5686 (also written 4820015545686; NIIN 01-554-5686) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 12 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-554-5686 (4820015545686)
- NIIN: 01-554-5686 (015545686)
- 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 |
| --- | --- | --- |
| ZZZY | REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| MDCL | MATERIAL DOCUMENT AND CLASSIFICATION | BODY ASSN STD SINGLE MATERIAL RESPONSE AST- B61 |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 320.0 |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| CCFG | VALVE SIZE | INCHES 0.250 |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 10.0 TO 14.0 |
| CRTL | CRITICALITY CODE JUSTIFICATION | ZZZY |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | 1/4" X 1/4" TYPE 1551-T RELIEF VALVE |
| MATT | MATERIAL | BODY BRONZE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 0871204S0014X1 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 0871204S0014X1CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 08712N04S0014 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 08712N04S0014/17216 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 08712N04S0014/17216CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 08712N04S0014CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 17216 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 17216 P/N 08712N04S0014 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 17216 P/N 08712N04S0014CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 17216CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8712 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8712CP | 03950 | NAVAL INVENTORY CONTROL POINT MECHANICSBURG | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820015545686&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820015545686
- AMSC record: https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/
- 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/4820-01-554-5686/
JSON: https://nsnexplorer.com/api/nsn/4820-01-554-5686.json