# NSN 4820-01-493-7940: Valve, Purge

NSN 4820-01-493-7940 (also written 4820014937940; NIIN 01-493-7940) is a valve, purge in Federal Supply Class 4820, Valves, Nonpowered. 3 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4820-01-493-7940 (4820014937940)
- NIIN: 01-493-7940 (014937940)
- Item name: VALVE,PURGE
- 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 L: annual buy value is below the screening threshold. (observed 2026-11-01)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | PUMP CTFGL |
| FEAT | SPECIAL FEATURES | BLEEDER VALVE, APPROX. 2 IN. LONG AND 3/4 IN. DIAM., MATERIAL: NI-CU ALLOY |
| MATT | MATERIAL | NICKEL ALLOY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 249-51-1025 | 83130 | AIR & LIQUID SYSTEMS CORPORATION DBA BUFFALO PUMPS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 81881 ITEM 67 | 89357 | EVOQUA WATER TECHNOLOGIES LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 81881-067 | 89357 | EVOQUA WATER TECHNOLOGIES LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-30 | [SPE7M127P0981](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014937940) | VALVE, PURGE | ECI DEFENSE GROUP, INC. DIV ECI-GA | $39,869.10 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4820014937940&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4820014937940
- 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/4820-01-493-7940/
JSON: https://nsnexplorer.com/api/nsn/4820-01-493-7940.json
