# NSN 4720-01-559-2546: Hose, Air Duct

NSN 4720-01-559-2546 (also written 4720015592546; NIIN 01-559-2546) is a hose, air duct in Federal Supply Class 4720, Hose and Flexible Tubing. 2 manufacturer part numbers from 2 suppliers are on record. It was last purchased in Oct 2026.

## Identification

- NSN: 4720-01-559-2546 (4720015592546)
- NIIN: 01-559-2546 (015592546)
- Item name: HOSE,AIR DUCT
- Federal Supply Class: [FSC 4720 Hose and Flexible Tubing](https://nsnexplorer.com/fsc/4720/)
- Federal Supply Group: [FSG 47](https://nsnexplorer.com/group/47/)
- 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 |
| --- | --- | --- | --- |
| T291528 | 0WFM3 | DHS SYSTEMS LLC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |
| T291528 | 92878 | HDT EXPEDITIONARY SYSTEMS INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-08 | [SPE7M426D60CA/SPE7M427F0032](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720015592546) | HOSE, AIR DUCT | WINDWARD ENTERPRISES, LLC | $98,685.00 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=4720015592546&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=4720015592546
- 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/4720-01-559-2546/
JSON: https://nsnexplorer.com/api/nsn/4720-01-559-2546.json