# NSN 4820-01-127-6666: Valve, Safety Relief

NSN 4820-01-127-6666 (also written 4820011276666; NIIN 01-127-6666) is a valve, safety relief in Federal Supply Class 4820, Valves, Nonpowered. 4 manufacturer part numbers from 2 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-127-6666 (4820011276666)
- NIIN: 01-127-6666 (011276666)
- 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 |
| --- | --- | --- |
| ADQU | FLOW CONTROL DEVICE | STEM |
| AEHZ | MAXIMUM OPERATING TEMP | SINGLE RESPONSE FAHRENHEIT 150.0 |
| AGAV | END ITEM IDENTIFICATION | LOS ANGELES CLASS SSN(688) |
| AQLR | VALVE OPERATION METHOD | AUTOMATIC |
| ARKN | FLANGE SHAPE | ALL ENDS ROUND WITH HOLES |
| AWLS | CONNECTION TYPE | ALL ENDS FLANGE |
| CCFG | VALVE SIZE | INCHES 1.000 |
| CQCY | ADJUSTABLE PRESSURE RANGE | POUNDS PER SQUARE INCH 131.0 TO 150.0 |
| CQQF | OPERATING PRESSURE | SINGLE RESPONSE POUNDS PER SQUARE INCH (PSI) MAXIMUM 150.0 |
| CWCL | FIRST CONNECTION FACE TO CENTERLINE DISTANCE | INCHES 3.500 |
| CWCR | SECOND CONNECTION FACE TO CENTERLINE DISTANCE | INCHES 3.250 |
| CWDF | FLANGE FACE DESIGN | ALL ENDS RAISED STRAIGHT |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL COMP 303 |
| MATT | MATERIAL | SEAT STEEL COMP 303 |
| MATT | MATERIAL | STEM STEEL COMP 303 |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 2024001S0131 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20240C01S0131 | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20240L91SS | 01343 | ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 20240L91SS | 15187 | EMERSON AUTOMATION SOLUTIONS FINAL CONTROL US LP DIV NAVY PRODUCT TEAM | [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=4820011276666&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820011276666
- 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/4820-01-127-6666/
JSON: https://nsnexplorer.com/api/nsn/4820-01-127-6666.json