# NSN 4820-00-189-4840: Valve, Expansion

NSN 4820-00-189-4840 (also written 4820001894840; NIIN 00-189-4840) is a valve, expansion in Federal Supply Class 4820, Valves, Nonpowered. 6 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 4820-00-189-4840 (4820001894840)
- NIIN: 00-189-4840 (001894840)
- Item name: VALVE,EXPANSION
- 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 G: the government has a complete data package and the rights to use it. (observed 2026-10-27)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ACLT | SECOND END STYLE DESIGNATOR | — |
| ADQU | FLOW CONTROL DEVICE | DIAPHRAGM |
| TEST | TEST DATA DOCUMENT | DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING) 97403-13216E6174 |
| AAQL | BODY STYLE | — |
| ABFF | FURNISHED ITEMS | VALVE PRESSURE LIMITING DEVICE |
| ABJH | TEMP RATING | FAHRENHEIT 50.0 AND FAHRENHEIT 160.0 |
| ACKM | FIRST END CONNECTION TYPE | UNTHREADED INTERNAL TUBE |
| ACKN | FIRST END STYLE DESIGNATOR | — |
| ACLH | FIRST END OUTSIDE DIAMETER TUBE ACCOMMODATED | INCHES NOMINAL 0.500 |
| ACLR | SECOND END RELATIONSHIP WITH FIRST END | NOT IDENTICAL |
| ADQZ | END CONNECTION QUANTITY | 2 |
| MATT | MATERIAL | FLOW CONTROL DEVICE STEEL CORROSION RESISTING |
| AEVT | CAPILLARY TUBE LENGTH | INCHES NOMINAL 30.000 |
| AEVU | BULB LENGTH | INCHES NOMINAL 3.500 |
| AEVV | BULB DIAMETER | INCHES NOMINAL 0.500 |
| AFKN | VALVE PRESSURE LIMITING DEVICE SETTING | POUNDS PER SQUARE INCH GAUGE (PSIG) 400.0 |
| MEDA | MEDIA FOR WHICH DESIGNED | LOCATION NOT OTHERWISE SPECIFIED REFRIGERANT 22 |
| AFKW | VALVE EQUALIZER CONNECTION DIAMETER | INCHES NOMINAL 0.250 |
| MATT | MATERIAL | BODY COPPER ALLOY |
| ACMP | SECOND END OUTSIDE DIAMETER TUBE ACCOMMODATED | INCHES NOMINAL 0.380 |
| AGUB | REFRIGERATION CAPACITY IN BTU PER HOUR | 9.0 |
| AFKV | VALVE EQUALIZER CONNECTION TYPE | FLARED TUBE |
| ACLS | SECOND END CONNECTION TYPE | UNTHREADED INTERNAL TUBE |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 13216E6174 | 97403 | CECOM LR CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 13216E6174-2 | 97403 | CECOM LR CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 13216E6174-5 | 94833 | KECO INDUSTRIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 13216E6174-5 | 97403 | CECOM LR CENTER | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| AN 3/4 CWGT-3198 | 70255 | EMERSON ELECTRIC CO ALCO CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| HN3-4CW16A | 70255 | EMERSON ELECTRIC CO ALCO CONTROLS DIV | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-08 | [SPE7MC26P2346](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820001894840) | VALVE, EXPANSION | SPAIRES INC | $2,991.06 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820001894840&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820001894840
- 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/4820-00-189-4840/
JSON: https://nsnexplorer.com/api/nsn/4820-00-189-4840.json