# NSN 4820-01-423-8660: Valve, Regulating, Temperature

NSN 4820-01-423-8660 (also written 4820014238660; NIIN 01-423-8660) is a valve, regulating, temperature in Federal Supply Class 4820, Valves, Nonpowered. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 4820-01-423-8660 (4820014238660)
- NIIN: 01-423-8660 (014238660)
- Item name: VALVE,REGULATING,TEMPERATURE
- 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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AAQL | BODY STYLE | — |
| ACKM | FIRST END CONNECTION TYPE | THREADED EXTERNAL TUBE |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | IDENTICAL |
| ADQU | FLOW CONTROL DEVICE | PLUG |
| ADQZ | END CONNECTION QUANTITY | 2 |
| AEVX | TEMP ADJUSTABILITY | ADJUSTABLE |
| AGAV | END ITEM IDENTIFICATION | 1520-01-082-0686 USED ON HELICOPTER, ELECTRON |
| AZKQ | TEMP RATING | FAHRENHEIT NOMINAL 375.0 |
| MATT | MATERIAL | FLOW CONTROL DEVICE ALUMINUM ALLOY |
| MATT | MATERIAL | BODY ALUMINUM ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 1C1878V | 97484 | EATON AEROSPACE LLC DIV FLUID AND ELECTRICAL DISTRIBUTION DIVISION | [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=4820014238660&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014238660
- 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/4820-01-423-8660/
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