# NSN 1660-01-231-1045: Duct Assembly, Air Conditioning-H

NSN 1660-01-231-1045 (also written 1660012311045; NIIN 01-231-1045) is a duct assembly, air conditioning-h in Federal Supply Class 1660, Aircraft Air Conditioning, Heating, and Pressurizing Equipment. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Nov 2026.

## Identification

- NSN: 1660-01-231-1045 (1660012311045)
- NIIN: 01-231-1045 (012311045)
- Item name: DUCT ASSEMBLY,AIR CONDITIONING-H
- 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 C: needs engineering source approval; other sources must qualify first. (observed 2026-11-06)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | ACFT MODEL F-16 |
| FEAT | SPECIAL FEATURES | C/O DUCT ASSEMBLY,AS REQUIRED COATING,TAPE,SHEET AND ADHESIVE |
| SUPP | SUPPLEMENTARY FEATURES | FUNCTIONAL DESCRIPTION:USED FOR CABIN AIR SUPPLY,LOCATED FUSELAGE STATION 217-231 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 16Y441-815 | 81755 | LOCKHEED MARTIN CORPORATION DIV LOCKHEED MARTIN AERONAUTICS COMPANY | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-11-04 | [SPE4A520DP002/SPE4AX24F5886](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660012311045) | DUCT ASSEMBLY, AIR C | DERCO AEROSPACE, INC. DBA DERCO AEROSPACE, INC. A LOCKHEED MARTIN COMPANY | $124,488.70 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660012311045&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660012311045
- 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/1660-01-231-1045/
JSON: https://nsnexplorer.com/api/nsn/1660-01-231-1045.json