# NSN 4420-01-685-3773: Heat Exchanger, Fluid To Air

NSN 4420-01-685-3773 (also written 4420016853773; NIIN 01-685-3773) is a heat exchanger, fluid to air in Federal Supply Class 4420, Heat Exchangers and Steam Condensers. 3 manufacturer part numbers from 3 suppliers are on record. The government has 1 open solicitation for it.

## Identification

- NSN: 4420-01-685-3773 (4420016853773)
- NIIN: 01-685-3773 (016853773)
- Item name: HEAT EXCHANGER,FLUID TO AIR
- Federal Supply Class: [FSC 4420 Heat Exchangers and Steam Condensers](https://nsnexplorer.com/fsc/4420/)
- Federal Supply Group: [FSG 44](https://nsnexplorer.com/group/44/)
- Acquisition method suffix code: AMSC B: must be bought from the sources named on a source control or selected item drawing. (observed 2026-10-10)
- Acquisition method code: 3

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 12581407 | 19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MFR-1HM18-10-2867A | 1HM18 | ROCORE INDUSTRIES, INC. | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| MFR-1HM18-10-2867A | 7ZR19 | KELVION INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Open solicitations

| Solicitation | Quantity | Closes | Link |
| --- | --- | --- | --- |
| SPE8E8-27-T-0140 | 1 | 2026-10-19 | [DIBBS](https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4420016853773&category=nsn) |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4420016853773&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4420016853773
- 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/4420-01-685-3773/
JSON: https://nsnexplorer.com/api/nsn/4420-01-685-3773.json