# NSN 1680-01-529-3721: Duct Assembly, Aircr

NSN 1680-01-529-3721 (also written 1680015293721; NIIN 01-529-3721) is a duct assembly, aircr in Federal Supply Class 1680, Miscellaneous Aircraft Accessories and Components. 1 manufacturer part number from 1 supplier is on record. It was last purchased in Oct 2026.

## Identification

- NSN: 1680-01-529-3721 (1680015293721)
- NIIN: 01-529-3721 (015293721)
- Item name: DUCT ASSEMBLY,AIRCR
- Federal Supply Class: [FSC 1680 Miscellaneous Aircraft Accessories and Components](https://nsnexplorer.com/fsc/1680/)
- 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 2026-10-23)
- Acquisition method code: 3

## Characteristics

| Code | Requirement | Reply |
| --- | --- | --- |
| AGAV | END ITEM IDENTIFICATION | MV-22 AIRCRAFT |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | (INAVY) DUCT ASSEMBLY |

## Part numbers

| Part number | CAGE | Supplier | Source |
| --- | --- | --- | --- |
| 901-062-028-113 | 97499 | BELL TEXTRON INC | [flis](https://www.dla.mil/Portals/104/Documents/InformationOperations/LogisticsInformationServices/FOIA/PUBLOG/) |

## Contract awards

Newest first.

| Date | Award | Description | Recipient | Amount |
| --- | --- | --- | --- | --- |
| 2026-10-20 | [SPE4AX18D9433/SPE4A227F0134](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1680015293721) | DUCT ASSEMBLY, AIRCR | BELL BOEING JOINT PROJECT OFFICE | $14,285.46 |
| 2026-08-20 | [SPE4AX18D9433/SPE4A226F7205](https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1680015293721) | DUCT ASSEMBLY, AIRCR | BELL BOEING JOINT PROJECT OFFICE | $42,856.38 |

## Sources

- DLA DIBBS RFQs for this NSN: https://www.dibbs.bsm.dla.mil/RFQ/RFQNsn.aspx?value=1680015293721&category=nsn
- DLA DIBBS awards for this NSN: https://www.dibbs.bsm.dla.mil/Awards/AwdRecs.aspx?category=awdnsn&TypeSrch=cq&Value=1680015293721
- 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/1680-01-529-3721/
JSON: https://nsnexplorer.com/api/nsn/1680-01-529-3721.json