# NSN 4420-01-202-5749: Core Assembly, Fluid Heater, Indus

NSN 4420-01-202-5749 (also written 4420012025749; NIIN 01-202-5749) is a core assembly, fluid heater, indus in Federal Supply Class 4420, Heat Exchangers and Steam Condensers. 5 manufacturer part numbers from 4 suppliers are on record. No purchases are on record yet.

## Identification

- NSN: 4420-01-202-5749 (4420012025749)
- NIIN: 01-202-5749 (012025749)
- Item name: CORE ASSEMBLY,FLUID HEATER,INDUS
- 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 H: the government lacks sufficient, accurate or legible data to buy from other sources. (observed 2026-10-10)
- Acquisition method code: 1

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AKMH | CORE DIAMETER | INCHES NOMINAL 2.000 |
| AKMJ | CORE LENGTH | INCHES NOMINAL 46.500 |
| BRXN | HEAT TRANSFER METHOD | INDIRECT |
| MATT | MATERIAL | TUBES NICKEL ALLOY |
| STYL | STYLE DESIGNATOR | — |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 4130PL0842421 | 9009H | JEDNOLITY INDEKS MATERIALOWY - UNIFORM MATERIAL INDEX | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6388-47 | 01496 | AIR DRY CO OF AMERICA, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 6388-47 | 99447 | COOPER INTERCONNECT, INC. DBA COOPER INTERCONNECT | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 72-19750-31 | 74924 | INDEECO LLC DBA INDEECO | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 729XA0563 | 74924 | INDEECO LLC DBA INDEECO | [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=4420012025749&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4420012025749
- 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/4420-01-202-5749/
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