# NSN 4420-01-509-0743: Cooler, Fluid, Industrial

NSN 4420-01-509-0743 (also written 4420015090743; NIIN 01-509-0743) is a cooler, fluid, industrial in Federal Supply Class 4420, Heat Exchangers and Steam Condensers. 2 manufacturer part numbers from 1 supplier are on record. It was last purchased in Nov 2026.

## Identification

- NSN: 4420-01-509-0743 (4420015090743)
- NIIN: 01-509-0743 (015090743)
- Item name: COOLER,FLUID,INDUSTRIAL
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| CTRC | EFFECTIVE HEAT TRANSFER SURFACE AREA | SQUARE FEET 154.0 |
| MATT | MATERIAL | TUBE SHEET STEEL CORROSION RESISTING AND COPPER ALLOY |
| MATT | MATERIAL | TUBES COPPER ALLOY |
| STYL | STYLE DESIGNATOR | — |
| ABMZ | DIAMETER | INCHES NOMINAL 10.750 |
| BRXN | HEAT TRANSFER METHOD | INDIRECT |
| ARNF | TUBE QUANTITY | 38 |
| MATT | MATERIAL | PLATES STEEL CORROSION RESISTING |
| MATT | MATERIAL | SHELL STEEL CORROSION RESISTING |
| ABRY | LENGTH | INCHES NOMINAL 130.125 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| E-585-1 | 78730 | XCHANGER MANUFACTURING CORPORATION DBA XCHANGER MANUFACTURING CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| E0058500 | 78730 | XCHANGER MANUFACTURING CORPORATION DBA XCHANGER MANUFACTURING CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-04 | [SPE8E827P0031](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4420015090743) | COOLER, FLUID, INDUST | SOGEN COMPANY, INC. | $71,477.39 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4420015090743&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4420015090743
- 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/4420-01-509-0743/
JSON: https://nsnexplorer.com/api/nsn/4420-01-509-0743.json