# NSN 1660-01-665-1873: Heat Exchanger, Fluid To Fluid, Ai

NSN 1660-01-665-1873 (also written 1660016651873; NIIN 01-665-1873) is a heat exchanger, fluid to fluid, ai in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 1 manufacturer part number from 1 supplier is on record. No purchases are on record yet.

## Identification

- NSN: 1660-01-665-1873 (1660016651873)
- NIIN: 01-665-1873 (016651873)
- Item name: HEAT EXCHANGER,FLUID TO FLUID,AI
- Federal Supply Class: [FSC 1660 Aircraft Air Conditioning, Heating, and Pressurizing Equipment](https://nsnexplorer.com/fsc/1660/)
- Federal Supply Group: [FSG 16](https://nsnexplorer.com/group/16/)
- Acquisition method suffix code: AMSC P: the government does not own the rights to the data needed for more sources. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| ADAV | OVERALL DIAMETER | INCHES NOMINAL 3.240 |
| ABHP | OVERALL LENGTH | INCHES NOMINAL 10.000 |
| PRPY | PROPRIETARY CHARACTERISTICS | PACS |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | SHELL AND TUB HEAT EXCHANGER |
| MATT | MATERIAL | STEEL CORROSION RESISTING |
| ARJA | PRESSURE RATING | POUNDS PER SQUARE INCH (PSI) 700.0 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 00677-01 | 0NEZ1 | EXERGY, LLC DBA EXERGY LLC | [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=1660016651873&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660016651873
- 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/1660-01-665-1873/
JSON: https://nsnexplorer.com/api/nsn/1660-01-665-1873.json