# NSN 1660-01-502-5256: Duct Assembly, Air Conditioning-H

NSN 1660-01-502-5256 (also written 1660015025256; NIIN 01-502-5256) 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 Sep 2026.

## Identification

- NSN: 1660-01-502-5256 (1660015025256)
- NIIN: 01-502-5256 (015025256)
- 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 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 |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | H-60 |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | DUCT |
| FEAT | SPECIAL FEATURES | NHA 96500-22205-011 |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| WA121-1.25-184-6 | 70628 | ARROWHEAD PRODUCTS CORP | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-09-24 | [SPE4A726PH112](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660015025256) | DUCT ASSEMBLY, AIR C | ALLCLEAR AEROSPACE & DEFENSE, INC. DBA ALLCLEAR AEROSPACE & DEFENSE INC | $19,000.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1660015025256&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1660015025256
- 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/1660-01-502-5256/
JSON: https://nsnexplorer.com/api/nsn/1660-01-502-5256.json