# NSN 1660-00-868-6591: Parts Kit, Overhaul

NSN 1660-00-868-6591 (also written 1660008686591; NIIN 00-868-6591) is a parts kit, overhaul in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 4 manufacturer part numbers from 3 suppliers are on record. It was last purchased in Sep 2026.

## Identification

- NSN: 1660-00-868-6591 (1660008686591)
- NIIN: 00-868-6591 (008686591)
- Item name: PARTS KIT,OVERHAUL,
- 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

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 40C-0001-1 | 19062 | ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 40C0001-1 | 83533 | ESSEX INDUSTRIES INC DIV MANUFACTURING DIVISION | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 8148650 | 98748 | UNITED STATES AIR FORCE DBA TINKER AIR FORCE BASE DIV DEPARTMENT OF THE AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| 9776274-10 | 98748 | UNITED STATES AIR FORCE DBA TINKER AIR FORCE BASE DIV DEPARTMENT OF THE AIR FORCE | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-23 | [SPE4A725D0265/SPE4A726F094L](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660008686591) | PARTS KIT, OVERHAUL, | ESSEX INDUSTRIES, INC. DBA ESSEX INDUSTRIES | $322,314.24 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660008686591&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660008686591
- 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.

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