# NSN 1660-00-957-6794: Adapter, Air Inlet, Heat Exchanger

NSN 1660-00-957-6794 (also written 1660009576794; NIIN 00-957-6794) is an adapter, air inlet, heat exchanger in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 6 manufacturer part numbers from 4 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 1660-00-957-6794 (1660009576794)
- NIIN: 00-957-6794 (009576794)
- Item name: ADAPTER,AIR INLET,HEAT EXCHANGER
- 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 D: the data needed to compete the part is unavailable or cannot be obtained economically. (observed 2026-10-10)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | METAL |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 41B346-1 | 79294 | E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 43234 | 79294 | E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 43234-2 | 0UES3 | MID-AMERICA AEROTECH, LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 43234-2 | 19156 | MOOG INC DIV MOOG INC., SPACE AND DEFENSE - SALT LAKE CITY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 43234-2 | 79294 | E-SYSTEMS INC MONTEK DIV FLUID CONTROLS OPNS | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 43234-2 | 94697 | MOOG INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-28 | [SPE4A526P8481](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009576794) | ADAPTER, AIR INLET, H | MID-AMERICA AEROTECH, LLC | $3,504.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660009576794&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660009576794
- 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/1660-00-957-6794/
JSON: https://nsnexplorer.com/api/nsn/1660-00-957-6794.json
